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Earth
May 22, 2016

  Landsat 7, launched on April 15, 1999, continues the legacy of Earth observations started by Landsat 1 in 1972. Since then, Landsat satellites...
Earth
May 22, 2016

The Suomi National Polar-orbiting Partnership (Suomi NPP) is a joint mission to extend key measurements in support of long-term monitoring of...
Earth
May 22, 2016

SORCE is a NASA-sponsored satellite mission that will provide state-of-the-art measurements of incoming x-ray, ultraviolet, visible, near-infrared...
Sun
May 22, 2016

Orbit: Highly elliptical Earth orbit that takes about nine days and reaches approximately 80% of the distance to the moon (200,000 miles). IBEX...
Sun
May 22, 2016

  Orbit: Each spacecraft is in a highly elliptical orbit called a Molniya orbit, during which the spacecraft spends most of its time at the...
Sun
May 22, 2016

Cluster investigates Earth’s magnetic environment, known as the magnetosphere, with coordinated observations among the four mission spacecraft....
Sun
May 22, 2016

A Balloon Array for Radiation-belt Relativistic Electron Losses, or BARREL, balloon is launched over Halley station to float above Antarctica and...
Mar 20, 2009

Apr 13, 2009

Dear Colleagues, This is the letter from SARA, a short update for NASA scientists.  A web version of this email, with hypertext links, can be found...

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