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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....

Archive for September 2010

NASA and the Metropolitan Washington Airports Authority unveiled a photography show at Dulles International Airport in Chantilly, Va., where ticketed airline travelers can view space science discoveries and enjoy the beauty and majesty of our solar system.A pedestrian passageway located between the new AeroTrain C-gates station and Concourse C. Approximately 10,000 t

What will the Martian atmosphere be like when the next Mars rover descends through it for landing in August of 2012?An instrument studying the Martian atmosphere from orbit has begun a four-week campaign to characterize daily atmosphere changes, one Mars year before the arrival of the Mars Science Laboratory rover, Curiosity. A Mars year equals 687 Earth days.The pla

NASA has awarded Computer Services Corporation of Falls Church, Va., a modification to exercise the first option year under its existing contract. This is a one-year option period for the continuation of financial management, human resources, and procurement and information technology support services to NASA.The one-year option increases the existing NASA Shared Ser

NASA will host a media teleconference at 1 p.m. EDT, on Wednesday, Sept. 29, to discuss new information about the boundary of our solar system obtained from the agency's Interstellar Boundary Explorer (IBEX) spacecraft.The briefing participants are: Arik Posner, IBEX program scientist, Heliophysics Division, Science Mission Directorate, NASA Headquarters in Washingt

During space shuttle Discovery's final spaceflight, the STS-133 crew members will take important spare parts to the International Space Station along with the Express Logistics Carrier-4. Discovery has been moved to Launch Pad 39A at NASA's Kennedy Space Center in Florida. STS-133 is slated to launch Nov. 1.

NASA's Cassini spacecraft determination swing high over Saturn's moon Titan on Friday, September 24, taking a long, continued look at the hazy moon. At closest approach, Cassini will fly within 8,175 kilometers (5,080 miles) above the hazy moon's surface. This flyby is the first in a series of high-altitude Titan flybys for Cassini over the next year and a half.Cassi

NASA and the Massachusetts Institute of Technology in Cambridge, Mass., have selected 24high schools to participate in a new science, technology, engineering, and math education program. The teams will design software to program small satellites aboard the International Space Station.The Synchronized Position Hold, Engage, and Reorient Experimental Satellites, or SPH

The northern hemisphere of Saturn's moon Titan is set for mainly fine spring weather, with polar skies clearing since the equinox in August last year. The visual and infrared mapping spectrometer (VIMS) aboard NASA's Cassini spacecraft has been monitoring clouds on Titan regularly since the spacecraft entered orbit around Saturn in 2004. Now, a group led by Sebastian

Satellites are big. They cost a lot of money. At least that's the impression a couple of University of Maryland-College Park students had when they applied for an placement to help construct a satellite instrument with scientists at the NASA Goddard Space Flight Center in Greenbelt, Md. As the pair quickly discovered, nothing could have been farther from the truth.Fi

Commander Alexander Skvortsov and Flight Engineers Tracy Caldwell Dyson and Mikhail Kornienko conducted Soyuz descent training in advance of their departure on September 23. Once they undock, Expedition 25 will begin its increment with Commander Doug Wheelock and Flight Engineers Shannon Walker and Mikhail Kornienko continuing their stay on the International Space St

NASA, the U.S. Agency for International Development, the U.S. Environmental Protection Agency (USEPA) and their partners today celebrate the first anniversary of the air quality initiative within SERVIR that delivers in-situ, satellite-based, and modeled air quality data to forecasters, researchers, broadcasters, and communities throughout Mesoamerica and the Caribbe

Preparations are under way inside the Vehicle Assembly Building at NASA's Kennedy Space Center to move the space shuttle Discovery to Launch Pad 39A beginning September 20. Liftoff the STS-133 mission is targeted for November 1 at 4:40 p.m. on an 11-day flight to the International Space Station.The crew is in the fixed-base simulator today at their training home at N

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 a

In August 1960, NASA launched its first communications satellite, Echo 1. Fifty years later, NASA has achieved another first by placing the ARTEMIS-P1 spacecraft into a unique orbit behind the moon, but not actually orbiting the moon itself. This type of orbit, called an Earth-Moon libration orbit, relies on a precise balancing of the Sun, Earth, and Moon gravity so

Journalists are invited to cover space shuttle Discovery’s last move from the Vehicle Assembly Building (VAB) to Launch Pad 39A on Sept. 20 at NASA’s Kennedy Space Center in Florida. Six astronauts are set to launch aboard the shuttle on Nov. 1. TheSTS-133 mission to the International Space Station is the final scheduled flight for Discovery before it is retired.Live

NASA has released its Strategic Sustainability and Performance Plan (SSPP) as part of a government-wide effort to achieve goals without compromising the planet's resources.NASA's SSPP focuses on reducing greenhouse emissions, preventing pollution, increasing water use efficiency and constructing and maintaining high performance, sustainable buildings. The plan follow

Amateur astronomers using backyard telescopes were the first to detect two small objects that burned up in Jupiter’s atmosphere on June 3 and Aug. 20.Professional astronomers at NASA and other institutions followed up on the discovery and gathered detailed information on the objects, which produced bright spots on Jupiter. The object that caused the June 3 fireball w

NASA completed a historic day for its hurricane research on Thursday as it put the Global Hawk over Earl, marking the first time the unmanned drone flew over a fully formed hurricane.The Global Hawk also flew in concert with NASA’s DC-8 during the DC-8’s fourth and final research flight to Earl. Both planes are outfitted with a suite of highly advanced instruments th

NASA's Research and Technology Studies, or Desert RATS, will make its 13th trip to the desert this fall to test rovers, habitats and robots that could be used in future exploration missions.A media day for the tests will be held on Wednesday, Sept. 15, to allow reporters to observe the activities. Interested news media should contact Brandi Dean at 281-483-5111 by Th

NASA has set media accreditation deadlines for the November space shuttle flight to the International Space Station. Shuttle Discovery and six astronauts are targeted to launch on the STS-133 mission on Nov. 1 from NASA's Kennedy Space Center in Florida.Deadlines also have been set for journalists who want to cover the shuttle's move from its processing facility to t