Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.arcetri.astro.it/en/outreach/projects-and-events
Äàòà èçìåíåíèÿ: Unknown
Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 03:12:05 2016
Êîäèðîâêà:

Ïîèñêîâûå ñëîâà: comet tail
Projects and events