Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ
îðèãèíàëüíîãî äîêóìåíòà
: http://www.astronomy.com/magazine/2011/08/more-images-of-the-helix-nebula
Äàòà èçìåíåíèÿ: Unknown Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 05:48:32 2016 Êîäèðîâêà: ISO8859-5 Ïîèñêîâûå ñëîâà: helix nebula |