{"id":167,"date":"2024-05-24T14:20:08","date_gmt":"2024-05-24T14:20:08","guid":{"rendered":"https:\/\/exactas.uba.ar\/web\/palabras\/?p=167"},"modified":"2024-05-24T14:27:27","modified_gmt":"2024-05-24T14:27:27","slug":"agujeros-negros","status":"publish","type":"post","link":"https:\/\/exactas.uba.ar\/web\/palabras\/agujeros-negros\/","title":{"rendered":"Agujeros Negros"},"content":{"rendered":"\r\n<p>Exactamente hace 30 a\u00f1os, el 25 de mayo de 1994, el telescopio espacial Hubble confirmaba la existencia de los agujeros negros. Detect\u00f3 uno por primera vez, ocho d\u00e9cadas despu\u00e9s de su formulaci\u00f3n te\u00f3rica.\r\nEl nombre del agujero negro que ocupa el centro de la V\u00eda L\u00e1ctea (que es el nombre de una constelaci\u00f3n m\u00e1s una letra, acompa\u00f1ada por un asterisco, aunque en la grilla prescindiremos del asterisco) se leer\u00e1 en vertical si se responden estas diez preguntas.<\/p>\r\n\r\n\r\n<div class=\"lazyblock-grilla-27whQ1 wp-block-lazyblock-grilla\"><main class=\"container\">\r\n    <center>\r\n        <div class=\"table-responsive\">\r\n            <table>\r\n                <tbody id=\"bodyTabla\">\r\n                                                                <tr>\r\n                            <th>1<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"0\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"1\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"2\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"3\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"4\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"5\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"6\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"7\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>2<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"8\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"9\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"10\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"11\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"12\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"13\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"14\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"15\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"16\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"17\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"18\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>3<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"19\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"20\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"21\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"22\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"23\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"24\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"25\">\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>4<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"26\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"27\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"28\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"29\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"30\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"31\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"32\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"33\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"34\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>5<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"35\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"36\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"37\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"38\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"39\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"40\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"41\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"42\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"43\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"44\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"45\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>6<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"46\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"47\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"48\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"49\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"50\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"51\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"52\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"53\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"54\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"55\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"56\">\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>7<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"57\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"58\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"59\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"60\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"61\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"62\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"63\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>8<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"64\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"65\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"66\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"67\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"68\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"69\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"70\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>9<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"71\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"72\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"73\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"74\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>10<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"75\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"76\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"77\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"78\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"79\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"80\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                            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class='alert alert-danger' role='alert'>Falta(n) \" + (respuestasOk.length - cont) + \" respuesta(s) correctas.<\/div>\";\r\n            }\r\n        }\r\n\r\n        function pasar(tecla, numero) {\r\n            numero = parseInt(numero);\r\n            if (tecla > 64 && tecla < 127) {\r\n                document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero].value = String.fromCharCode(tecla);\r\n                if (numero < document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\").length - 1) {\r\n                    document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero + 1].focus();\r\n                }\r\n            } else if (tecla == 37) {\r\n                if (numero > 0) {\r\n                    document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero - 1].focus();\r\n                }\r\n            } else if (tecla == 39) {\r\n                if (numero < document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\").length - 1) {\r\n                    document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero + 1].focus();\r\n                }\r\n            }\r\n        }\r\n    <\/script><\/div>\r\n<ol>\r\n \t<li>El campo gravitatorio de un agujero negro es tan intenso que \u2013salvo por determinado tipo de procesos cu\u00e1nticos\u2013 ninguna part\u00edcula, ni siquiera la luz, puede escapar de \u00e9l. Este fen\u00f3meno, asociado a la curvatura del espacio-tiempo, est\u00e1 previsto en las ecuaciones de campo de un c\u00e9lebre f\u00edsico. \u00bfQui\u00e9n?<\/li>\r\n \t<li>\u00bfC\u00f3mo se llama a un agujero negro \u2013como el de la respuesta vertical\u2013 que tiene una masa del orden de millones o decenas de miles de millones de masas solares?<\/li>\r\n \t<li>En abril de 2019 se conoci\u00f3 la primera fotograf\u00eda de un agujero negro, captada por el consorcio EHT, que re\u00fane las im\u00e1genes de ocho poderosos telescopios. Ese agujero negro est\u00e1 en el centro de M87, en la Constelaci\u00f3n de Virgo. \u00bfQu\u00e9 es M87?<\/li>\r\n \t<li>La relatividad general predice que la gravedad de un agujero negro forma una hipersuperficie frontera del espacio-tiempo, donde los acontecimientos ocurridos en el interior de esa frontera no pueden afectar a un observador situado afuera. Esa hipersuperficie frontera se llama \u201c... de sucesos\u201d. \u00bfCu\u00e1l es la palabra que falta?<\/li>\r\n \t<li>Los agujeros negros se forman en un proceso de colapso gravitatorio que comienza despu\u00e9s de la \u201cmuerte\u201d de una estrella de al menos diez veces la masa del Sol, cuyo combustible nuclear se ha agotado y la fuerza gravitatoria logra vencer la presi\u00f3n de radiaci\u00f3n generada por las reacciones nucleares en su interior. \u00bfC\u00f3mo se llama a una estrella como esa? (dos palabras)<\/li>\r\n \t<li>Esa fuerza gravitatoria va originando una masa concentrada en un peque\u00f1o volumen, proceso que puede proseguir hasta el colapso del astro por la autoatracci\u00f3n gravitatoria, lo que deriva en un agujero negro. \u00bfC\u00f3mo se llama a esa estrella sin energ\u00eda que se va comprimiendo sobre s\u00ed misma? (dos palabras)<\/li>\r\n \t<li>El Nobel de F\u00edsica 2020 fue para un destacado f\u00edsico brit\u00e1nico \u201cpor el descubrimiento de que la formaci\u00f3n de agujeros negros es una predicci\u00f3n s\u00f3lida de la teor\u00eda general de la relatividad\u201d. Se llama Roger. \u00bfC\u00f3mo se apellida?<\/li>\r\n \t<li>Otro f\u00edsico te\u00f3rico y astrof\u00edsico brit\u00e1nico, adem\u00e1s de un c\u00e9lebre divulgador de la ciencia, fallecido en 2018, realiz\u00f3 algunos de los m\u00e1s importantes aportes a la teor\u00eda de los agujeros negros. Entre ellos la predicci\u00f3n de que, a trav\u00e9s de fen\u00f3menos cu\u00e1nticos, los agujeros negros emiten radiaci\u00f3n, radiaci\u00f3n que hoy lleva su apellido. \u00bfQu\u00e9 apellido?<\/li>\r\n \t<li>John Archibald Wheeler, el f\u00edsico estadounidense que en 1968 acu\u00f1\u00f3 el t\u00e9rmino \u201cagujeros negros\u201d, expres\u00f3 en una frase (que se convirti\u00f3 en teorema) por qu\u00e9 \u00e9stos no entregan m\u00e1s informaci\u00f3n que los tres par\u00e1metros observables de manera externa: su masa, su carga y su momento angular. Dijo: \u201cLos agujeros negros no tienen \u2026.\u201d \u00bfQu\u00e9?<\/li>\r\n \t<li>Hay en f\u00edsica te\u00f3rica una estructura hipot\u00e9tica asociada a un espacio-tiempo cuya topolog\u00eda es m\u00faltiplemente convexa, y de la cual no se hallado a\u00fan ninguna evidencia. Con dos extremos conectados a una \u00fanica \u201cgarganta\u201d, a trav\u00e9s de la cual podr\u00eda desplazarse la materia, este agujero permitir\u00eda viajar a trav\u00e9s del tiempo. Se lo llama agujero de \u2026. \u00bfDe qu\u00e9?<\/li>\r\n<\/ol>\r\n&nbsp;","protected":false},"excerpt":{"rendered":"Exactamente hace 30 a\u00f1os, el 25 de mayo de 1994, el telescopio espacial Hubble confirmaba la existencia de los agujeros negros. Detect\u00f3 uno por primera vez, ocho d\u00e9cadas despu\u00e9s de su formulaci\u00f3n te\u00f3rica. El nombre del agujero negro que ocupa el centro de la V\u00eda L\u00e1ctea (que es el nombre de una constelaci\u00f3n m\u00e1s una&#8230; <a class=\"view-article\" href=\"https:\/\/exactas.uba.ar\/web\/palabras\/agujeros-negros\/\">LEER +<\/a>","protected":false},"author":1,"featured_media":168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia"],"acf":[],"_links":{"self":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts\/167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/comments?post=167"}],"version-history":[{"count":12,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts\/167\/revisions"}],"predecessor-version":[{"id":180,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts\/167\/revisions\/180"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/media\/168"}],"wp:attachment":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/media?parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/categories?post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/tags?post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}