Posted by: mrborden | October 17, 2010

Our Solar System and Earths History


Watch the videos and comment on what you leanred by watching 250 words
1a Solar Sysytem


1b Our Moon



1c Earth’s History




1d Hydrogen Fusion in stars


1e Asteroid Impacts and craters

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Responses

  1. So is that really true.. If it is wat the heck..


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