ÌâÄ¿ÄÚÈÝ
×ÊÁÏ£ºÀíÂÛ·ÖÎö±íÃ÷£¬ÌÓÒÝËÙ¶ÈÊÇ»·ÈÆËٶȵı¶£®¼´£¬ÓÉ´Ë¿ÉÖª£¬ÌìÌåµÄÖÊÁ¿MÔ½´ó£¬°ë¾¶RԽС£¬ÌÓÒÝËÙ¶ÈÒ²¾ÍÔ½´ó£¬Ò²¾ÍÊÇ˵£¬Æä±íÃæµÄÎïÌå¾ÍÔ½²»ÈÝÒ×ÍÑÀëËüµÄÊø¸¿£®ÓÐЩºãÐÇ£¬ÔÚËüÒ»ÉúµÄ×îºó½×¶Î£¬Ç¿´óµÄÒýÁ¦°ÑÆäÖеÄÎïÖʽô½ôµÄѹÔÚÒ»Æð£¬Ãܶȼ«´ó£¬Ã¿Á¢·½Ã×µÄÖÊÁ¿¿É´ïÊý¶Ö£®ËüÃǵÄÖÊÁ¿·Ç³£´ó£¬°ë¾¶Óַdz£Ð¡£¬ÆäÌÓÒÝËٶȷdz£´ó£®ÓÚÊÇ£¬ÎÒÃÇ×ÔȻҪÏ룬»á²»»áÓÐÕâÑùµÄÌìÌ壬ËüµÄÖÊÁ¿¸ü´ó£¬°ë¾¶¸üС£¬ÌÓÒÝËٶȸü´ó£¬ÒÔm/sµÄËٶȴ«²¥µÄ¹â¶¼²»ÄÜÌÓÒÝ£¿Èç¹ûÓîÖæÖÐÕæµÄ´æÔÚÕâÑùµÄÌìÌ壬¼´Ê¹ËüȷʵÔÚ·¢¹â£¬¹âÒ²²»ÄܽøÈëÌ«¿Õ£¬ÎÒÃǸù±¾¿´²»µ½Ëü£®ÕâÖÖÌìÌå³ÆΪºÚ¶´(black hole)¡£1970Ä꣬¿Æѧ¼Ò·¢ÏÖÁ˵ÚÒ»¸öºÜ¿ÉÄÜÊǺڶ´µÄÄ¿±ê£®ÒÑÖªm/s£¬Çó£º
£¨1£©ÌÓÒÝËٶȴóÓÚÕæ¿ÕÖйâËÙµÄÌìÌå½ÐºÚ¶´£¨black hole)£¬ÉèijºÚ¶´µÄÖÊÁ¿µÈÓÚÌ«ÑôµÄÖÊÁ¿kg£¬ÇóËüµÄ¿ÉÄÜ×î´ó°ë¾¶£¨Õâ¸ö°ë¾¶½Ð×öSchwarzchild°ë¾¶£©£®
£¨2£©ÔÚÄ¿Ç°ÌìÎĹ۲ⷶΧÄÚ£¬ÎïÖʵÄƽ¾ùÃܶÈΪ£¬Èç¹ûÈÏΪÎÒÃǵÄÓîÖæÊÇÕâÑùÒ»¸ö¾ùÔÈ´óÇòÌ壬ÆäÃܶÈʹµÃËüµÄÌÓÒÝËٶȴóÓÚ¹âÔÚÕæ¿ÕÖеÄËÙ¶Èc£¬Òò´ËÈκÎÎïÌ嶼²»ÄÜÍÑÀëÓîÖ棬ÎÊÓîÖæµÄ°ë¾¶ÖÁÉÙ¶à´ó£¿£¨ÇòµÄÌå»ý¼ÆËã·½³Ì£©
£¨1£©ÌÓÒÝËٶȴóÓÚÕæ¿ÕÖйâËÙµÄÌìÌå½ÐºÚ¶´£¨black hole)£¬ÉèijºÚ¶´µÄÖÊÁ¿µÈÓÚÌ«ÑôµÄÖÊÁ¿kg£¬ÇóËüµÄ¿ÉÄÜ×î´ó°ë¾¶£¨Õâ¸ö°ë¾¶½Ð×öSchwarzchild°ë¾¶£©£®
£¨2£©ÔÚÄ¿Ç°ÌìÎĹ۲ⷶΧÄÚ£¬ÎïÖʵÄƽ¾ùÃܶÈΪ£¬Èç¹ûÈÏΪÎÒÃǵÄÓîÖæÊÇÕâÑùÒ»¸ö¾ùÔÈ´óÇòÌ壬ÆäÃܶÈʹµÃËüµÄÌÓÒÝËٶȴóÓÚ¹âÔÚÕæ¿ÕÖеÄËÙ¶Èc£¬Òò´ËÈκÎÎïÌ嶼²»ÄÜÍÑÀëÓîÖ棬ÎÊÓîÖæµÄ°ë¾¶ÖÁÉÙ¶à´ó£¿£¨ÇòµÄÌå»ý¼ÆËã·½³Ì£©
£¨1£©µ±ÌÓÒÝËٶȸպõÈÓÚ¹âËÙʱ£¬ºÚ¶´µÄ°ë¾¶×î´ó£¬ÉèΪR£¬¸ù¾ÝÌâÒâµÃ
£¬µÃ
£¨2£©ÉèÌÓÒÝËÙ¶ÈΪ¹âËÙcʱ£¬ÓîÖæµÄ°ë¾¶Îª£¬ÓÉÌâÒâÖª£¬ÓîÖæµÄÖÊÁ¿Îª
ÓÉÌâÒ⣬µÃ
½âµÃ
£¬µÃ
£¨2£©ÉèÌÓÒÝËÙ¶ÈΪ¹âËÙcʱ£¬ÓîÖæµÄ°ë¾¶Îª£¬ÓÉÌâÒâÖª£¬ÓîÖæµÄÖÊÁ¿Îª
ÓÉÌâÒ⣬µÃ
½âµÃ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿