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Meteor showers
Stunning nighttime displays of meteors caught the attention of stargazers this year. The Orionid shower in October and the Leonid in November saw meteors zip across the sky. (Tommy Eliassen/SPACE.com)

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Year in Review 2012: Astronomical Wonders

December 5, 2013

Once-in-a-lifetime astronomical events and monumental scientific achievements drove people to look to the skies and online on Yahoo! throughout 2012.