Water Water Everywhere

NASA EARTH OBSERVATORY / SCIENCE PHOTO LIBRARYThink 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.

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One Response to Water Water Everywhere

  1. bmarts says:

    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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