We all know the Earth spins round and round, but did you know it?s slowing down? This week we have the answer.
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Why? Tell Me Why!: Earth Spins
We all know the Earth spins round and round, but did you know it?s slowing down? This week we have the answer.
Added: Aug 27, 2008
Views: 7618 Views
Runtime: 02:04
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