Trailfire Guide: Howstuffworks Videos "Exploring Distant Galaxies"

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	Howstuffworks Videos "Exploring Distant Galaxies" go to the page: http://videos.howstuffworks.com/nasa/3594-exploring-distant-galaxies-video.htm	Search Tags Tags are important words found on this page. Blue tags were added by web users; yellow ones were extracted by our analysis tools. airplanes andromeda black centaurus colliding death distant dwarf earth escape exploring galaxies galaxy gravity hole hubblecast human mars nasa paper planet ray reuters satellite space spitzer stars trillion universe wars Page Excerpt The page excerpt is a few sentences from the page that try to summarize its meaning. Andromeda Galaxy Works (5:06) Watch this NASA "Hidden Universe" video showing how the Andromeda Galaxy works. The Andromeda Galaxy is twice as big ...
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