As 2011 draws to a close, it's time to look back (and vote) on the last 12 months of incredible space science and discovery.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/7OcbFzNWdSI" height="1" width="1"/>
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As 2011 draws to a close, it's time to look back (and vote) on the last 12 months of incredible space science and discovery.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/7OcbFzNWdSI" height="1" width="1"/>