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....

Herman Posada sits at the controls and flies his airplane. But he's not in the airplane! He's at a ground station miles away, using a joystick and video monitors to control the vehicle. Herman is a NASA research pilot who flies unmanned aerial vehicles. These remotely piloted, full-scale aircraft are used more and more for research into advanced aeronautics systems and for capturing images and data in dangerous conditions such as wildfires or hurricanes. On Thursday, September 23, you can ask Herman questions in both English and Spanish about what it's like to fly these unique, full-scale aircraft.

NASA's Ikhana, an unmanned Predator B modified for non-military missions, carries instruments for environmental Earth science studies and is used for advanced aircraft systems research and technology development. The Global Hawk unmanned aircraft has been very busy this hurricane season, flown by Herman and another pilot into and above hurricanes to collect data.

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