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Galaxy secrets revealed by Hubble telescope
Feb. 6: Images of Messier 106, a spiral galaxy 20 million light years away, reveal an active black hole and four spiral arms. NBCNews.com's Dara Brown reports.
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NBCNews.com:   Galaxy secrets revealed by Hubble telescope
Season 2013 : Episode 0206
Feb. 6: Images of Messier 106, a spiral galaxy 20 million light years away, reveal an active black hole and four spiral arms. NBCNews.com's Dara Brown reports.
Aired: 13-02-06
Views: 9777

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