A Moment of Science

Posts tagged gravitational field

April 16, 2009

 

Beach front view of ocean

Hills in the Ocean

Around New Guinea, there's a watery hill almost two hundred and fifty feet high. This isn't a hill on the ocean floor, but a hill on the ocean's surface.

August 7, 2007

 

Delaware River in Pennsylvania landscape

The Lingering Ice Age

About twenty thousand years ago, during the last major ice age, a miles-thick ice sheet covered all of Canada and most of the northeastern United States.

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