asteroid near earth impact DA14 February 15 2013 close encounter

Space rocks; Difference between asteroids vs meteoroids and hazards/effects

Intro: So this is little different than my science-travel posts, but with the recent near-earth approach of Asteroid 2012 DA14 on Feb 15th 2013, and on the same day (but unrelated) a bus-sized meteor crashed into Russia’s Ural mountains, there has been a spotlight on extraterrestrial threats to earth. Thus, this post is going to be all about
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