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	+ JPL online video catalog + JPL image use policy + NASA TV + Free QuickTime player + Free RealVideo player + Free Flash plug-in Video Podcasts + More ways to subscribe     GRACE Mission Measures Global Ice Mass Changes Animation shows the location of mountain glaciers and ice caps around the world with data from the GRACE mission to show recent trends in ice mass loss or gain. (Feb. 9) + Download | + Transcript + Play video + Play video     GRAIL Returns Unique Moon Video NASA's GRAIL mission has beamed back its first video of the far side of the moon. The imagery was taken on Jan. 19 by the MoonKAM aboard the mission's 'Ebb' spacecraft. (Feb. 1) + Download | + Transcript + Play video + Play video     What's Up for February? Mars gets closer and two comets delight viewers. (Jan. 31) + Download | + Transcript + Play video + Play video     The Challenges of Getting to Mars: Launching a Mars Rover Lift-off of the Mars Science Laboratory Curiosity rover to Mars! (Jan. 26) + Download | + Transcript + Play video + Play video     The Martians: Launching Curiosity to Mars Behind the scenes look at launching the Curiosity rover to Mars. (Jan. 26) + Download | + Transcript + Play video + Play video + View Archives Audio Podcasts + More ways to subscribe     Podcast: GRAIL Spacecraft-New Year's Moon Arrival NASA's twin GRAIL spacecraft are on course to enter orbit around the moon just in time for 2012. (Dec. 29) + Listen now +     Podcast: The American Rocketeer 75 years ago, the first rocket tests were conducted on a site that is now NASA's Jet Propulsion Laboratory. (Oct. 19) + Listen now | + Play audio + Play audio     Podcast: NASA's Aquarius Mission to Fly High Over the Salty Seas NASA prepares for launch of Aquarius, an Earth-orbiting mission that will measure salt content on the ocean surface. (June 2) + Listen now | + Play audio + Play audio     A Valentine's Date With a Comet NASA's Stardust-NExT mission has a Valentine's Day date to meet up with comet Tempel 1. (Jan. 31) + Listen now + Listen now     Students Find Cave on Mars Audio Clips Using the camera on NASA's Mars Odyssey orbiter, seventh graders at Evergreen Middle School in Cottonwood, Calif., found an apparent cave on Mars. (June 23) + View clips + View clips + View Archives
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