Satellite News

Satellites are used for a large number of purposes. Common types include military (spy) and civilian Earth observation satellites, communication satellites, navigation satellites, weather satellites, and research satellites.

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NASA Probe Sees Solar Wind Decline

The 33-year odyssey of NASA's Voyager 1 spacecraft has reached a distant point at the edge of our solar system where there is no outward motion of solar wind. Now hurtling toward interstellar space some 17.4 billion...

Super-Earth Atmosphere

A team of astronomers, including two NASA Sagan Fellows, has made the first characterizations of a super-Earth's atmosphere, by using a ground-based telescope...

Kepler Discovers

NASA's Kepler spacecraft has discovered the first confirmed planetary system with more than one planet crossing in front of, or transiting, the same star...

Pulverized Planet

Tight double-star systems might not be the best places for life to spring up, according to a new study using data from NASA's Spitzer Space Telescope....

Dark Asteroids

NASA is set to launch a sensitive new infrared telescope to seek out sneaky things in the night sky -- among them, dark asteroids that could pose a threat to Earth....

As of 7 March 2010 (2010 -03-07), 225 satellites have received USA designations. For an unknown reason, the designation USA-163 has never been assigned.

Number USA-224
Launch date 2011-01-20
Rocket Delta IV-H
Other designations NROL-49 (KH-11)
Function Optical imaging
Status Active
Remarks -
Number USA-225
Launch date 2011-02-06
Rocket Minotaur I
Other designations NROL-66 (RPP)
Function Technology
Status Active
Remarks -
Number USA-226
Launch date 2011-03-05
Rocket Atlas V 501
Other designations Boeing X-37B OTV-2
Function Technology
Status Active
Remarks Spaceplane, maiden flight of second X-37B

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