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According to new Hubble Space Telescope observations of our Milky Way's siblings, which existed long ago, the night sky must have looked much emptier in the distant past, when our galaxy was still under construction. The vast majority of our Milky Way's stars had not yet been born. Yet the heavens were ablaze with a firestorm of new star formation.
via HubbleSite NewsCenter -- Latest News Releases
http://hubblesite.org/newscenter/archive/releases/2013/45/
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