Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ
îðèãèíàëüíîãî äîêóìåíòà
: http://www.astronomy.com/magazine/ask-astro/2008/07/how-do-astrophysicists-measure-a-black-holes-mass
Äàòà èçìåíåíèÿ: Unknown Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 12:57:44 2016 Êîäèðîâêà: ISO8859-5 Ïîèñêîâûå ñëîâà: universe |