Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ
îðèãèíàëüíîãî äîêóìåíòà
: http://www.astronomy.com/magazine/ask-astro/2005/01/if-we-lived-on-a-planet-circling-a-star-about-to-go-supernova-would-we-know-it-was-going-to-happen
Äàòà èçìåíåíèÿ: Unknown Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 13:37:00 2016 Êîäèðîâêà: ISO8859-5 Ïîèñêîâûå ñëîâà: star |