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Universe
May 22, 2016

*/ In November of 1998 and 1999, Earth crossed the fresh ejecta of comet Tempel -Tuttle, resulting in large numbers of meteors. This offered an...
OAO
Universe
May 22, 2016

The Orbiting Astronomical Observatory (OAO) was a series of four satellites launched by NASA between 1966 and 1972. Two of the missions were...
Earth
May 22, 2016

Canada's RADARSAT-1 is a radar satellite featuring variable resolution, and different view angles at a number of preset positions. This...
Universe
May 22, 2016

*/ ROSAT, the ROentgen SATellite, was an X-ray observatory developed through a cooperative program between Germany, the United States, and the...
SIM
Universe
May 22, 2016

SIM/SIM-Lite was not recommended for development this decade by the Astro2010 Decadal Survey. As a consequence NASA sponsorship of the project was...
ST5
Sun
May 22, 2016

ST5 was a mission born of the New Millennium Program, which was established to identify, develop, build, and test innovative technologies and...
Earth
May 22, 2016

Due to an uneven distribution of mass inside the Earth, the Earth's gravity field is not uniform - that is, it has "lumps". By far the...
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...

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