Amateur Astonomers See Comet ISON Approaching the Sun – Science@NASA

The Mars Underground·1,906 videos

Science@NASA: Comet ISON is still more than two months away from its spectacular close encounter with the sun. Already, the brightening comet has become a good target for backyard telescopes in the pre-dawn sky.

See more videos about Science@NASA:
http://www.youtube.com/playlist?list=….

See more videos about Comet C/2012 S1 (ISON):
http://www.youtube.com/playlist?list=…

See more videos about Comets:
http://www.youtube.com/playlist?list=…