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Nasa Satellites

WATCH: NASA's 'Greatest Hits' Satellite Videos Of Earth

The Huffington Post | Melissa Cronin | Posted 04.13.2013 | Science

To mark Earth Month, NASA has given a shout-out to some of its satellites with a "greatest hits" video. The two-minute compilation features the most s...

NASA's Announces: Longest-Running Earth Satellite To Retire

Posted 12.27.2012 | Science

By: Megan Gannon, News Editor Published: 12/27/2012 05:27 AM EST on SPACE.com After documenting the changing face of our planet since 1984, the l...

Why Do Ships Leave Contrails?

Posted 03.01.2012 | Green

From Russell McLendon and Mother Nature Network: It's common to see airplane "contrails," or condensation trails, stretched across the sky. They lo...