Think about how much water you think is on Earth. If you were to take it all and form it into a sphere, how big do you think it would be? Now do the same with all the air on Earth.
Dan Phiffer has a picture of what that would look like, courtesy of the Science Photo Library.
This entry was posted on Thursday, March 13th, 2008 at 9:22 am and is filed under blog, cool picture, physics, puzzle. You can follow any responses to this entry through the RSS 2.0 feed.
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I heard on the radio this weekend that due to human storage of water, sea level is lowered by 3 cm.
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