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....

A busy weekend is under way at NASA Kennedy Space Center’s Launch Pad 39A in Florida.

With space shuttle Atlantis’ STS-135 mission payload now secured inside the pad’s rotating service structure, the RSS was closed Saturday morning, and Atlantis' payload bay doors are scheduled to be opened Saturday night. It's all part of the preparations to install the Raffaello multi-purpose logistics module and other payloads bound for the International Space Station into the shuttle’s cargo bay on Monday.‬

Also on Saturday, technicians begin high-tech X-ray scans of the tops and bottoms of 50 support beams, called stringers, on the shuttle-facing side of Atlantis’ external tank. The scans are expected to take about a week to complete and confirm there are no issues with the tank stringers.

Technicians also begin preparations to replace a suspected leaky valve in Atlantis’ space shuttle main engine No. 3. ‪

And Atlantis’ four veteran astronauts are scheduled to fly in their T-38 aircraft from NASA’s Johnson Space Center in Houston to Kennedy on Monday. They’re set to arrive at about 5:45 p.m. EDT to being their prelaunch countdown dress rehearsal, called the Terminal Countdown Demonstration Test (TCDT), and related training.

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