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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 2011

Jeff Adams an ex-fire fighter mastered the art of Real Estate investment and now he is a popular and most successful real estate investor in United States. He started investing in real estate to earn extra income and Jeff established himself in the field. Jeff Adams followed few steps as a beginner and was very successful. He did not stop with that , he introduced RE

NASA's most advanced mobile robotic laboratory, which will examine one of the most intriguing areas on Mars, is in final preparations for a launch from Florida's Space Coast at 10:25 a.m. EST (7:25 a.m. PST) on Nov. 25. The Mars Science Laboratory mission will carry Curiosity, a rover with more scientific capability than any ever sent to another planet. The rover is

An instrument on NASA's Mars rover Curiosity can check for any water that might be bound into shallow underground minerals along the rover's path. "If we conclude that there is something unusual in the subsurface at a particular spot, we could suggest more analysis of the spot using the capabilities of other instruments," said this instrument's principal investigator

The distorted shapes in the cluster are distant galaxies from which the light is bent by the gravitational pull of an invisible material called dark matter within the cluster of galaxies. This cluster is an early target in a survey that will allow astronomers to construct the most detailed dark matter maps of more galaxy clusters than ever before. These maps are bei

A fleet of spacecraft including NASA's Hubble Space Telescope has uncovered unprecedented details in the surroundings of a supermassive black hole. Observations reveal huge bullets of gas being driven away from the gravitational monster and a corona of very hot gas hovering above the disk of matter that is falling into the black hole. A team led by Jelle Kaastra of S

Observations from NASA's Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not likely the culprit, keeping open the case on one of Earth's greatest mysteries. While scientists are confident a large asteroid crashed into Earth approximately 65 million years ago, leading

NASA has selected two game-changing space technology projects for development. The selections are part of the agency's efforts to pursue revolutionary technology required for future missions, while proving the capabilities and lowering the cost of government and commercial space activities. "NASA's Game Changing Technology Development program uses a rolling selection

A nearby star is pummeling a companion planet with a barrage of X-rays 100,000 times more intense than the Earth receives from the sun. New data from NASA's Chandra X-ray Observatory and the European Southern Observatory's Very Large Telescope suggest that high-energy radiation is evaporating about 5 million tons of matter from the planet every second. This result gi

NASA will invite 25 of its U.S. Twitter followers to a Tweetup expected to culminate in the launch of the first of a new generation of Earth-observing satellites from Vandenberg Air Force Base (VAFB) in California. The event will take place from 9 a.m. to 5 p.m. PDT on Monday, Oct. 24. NASA's NPP satellite is scheduled to launch aboard a United Launch Alliance Delta

NASA's partnership with industry to develop transportation to the International Space Station reached another step Aug. 23, as the cargo module for Orbital Sciences Corp.'s Cygnus spacecraft, which will carry supplies to the station, arrived at NASA's Wallops Flight Facility in Virginia. The Cygnus spacecraft is scheduled for a demonstration flight early next year on

Scientists using data from NASA's Wide-field Infrared Survey Explorer (WISE) have discovered the coldest class of star-like bodies, with temperatures as cool as the human body. Astronomers hunted these dark orbs, termed Y dwarfs, for more than a decade without success. When viewed with a visible-light telescope, they are nearly impossible to see. WISE's infrared visi

NASA officials will meet with aeronautics industry, academia, and government leaders Aug. 25 to kick off a series of roundtable discussions about future directions for aeronautics research and technology. NASA Administrator Charles Bolden will address the participants. The roundtable is sponsored by NASA and organized by the National Research Council of the National

NASA's lunar-bound GRAIL twins were mated to their Delta II launch vehicle at the Cape Canaveral Air Force Station's Launch Complex 17 at 8:45 a.m. EDT (5:45 a.m. PDT) today. The 15-mile (25-kilometer) trip from Astrotech Space Operations in Titusville, Fla., is the last move for GRAIL before it begins its journey to the moon. NASA's dynamic duo will orbit the moon t

Wilcutt is a retired Marine colonel and veteran astronaut who is serving as director of safety and mission assurance at NASA's Johnson Space Center in Houston. He will assume the post from Bryan O'Connor, who will retire from the agency on Aug. 31. NASA Administrator Charles Bolden announced the appointment Tuesday. "As NASA looks beyond the space shuttle to new prog

NASA’s groundbreaking Robotic Refueling Mission (RRM) will reach a key milestone in September when the International Space Station (ISS) robots transfer the module to its permanent home on space station’s ExPRESS Logistics Carrier-4. Robotic operations for the technology demonstration are currently slated to begin soon afterwards. A joint effort between NASA and the

The ultimate dream for any school student would be to make it to in the US and win a competition there. Students of Bishop Cotton Boys School did precisely that - win the international prize for designing a settlement on Mars. They were joint winners in the Asian final with a Pakistan school. Bishop Cotton, along with three other schools - from USA, Romania and UK -

The Herschel Space Observatory's large telescope and state-of-the-art infrared detectors have provided the first confirmed finding of oxygen molecules in space. The molecules were discovered in the Orion star-forming complex. Individual atoms of oxygen are common in space, particularly around massive stars. But, molecular oxygen, which makes up about 20 percent of th

NASA's Juno spacecraft completed its last significant terrestrial journey today, July 27, with a 15-mile (25-kilometer) trip from Astrotech Space Operations in Titusville, Fla., to its launch pad at the Cape Canaveral Air Force Station. The solar-powered, Jupiter-bound spacecraft was secured into place on top of its rocket at 10:42 a.m. EDT (7:42 a.m. PDT). Juno wil

NASA's chief of safety and mission assurance since 2002, has announced plans to retire from the agency on Aug. 31. "Bryan is a fellow Marine, trusted advisor and friend I have been privileged to serve with off and on since our years as plebes at the U.S. Naval Academy," NASA Administrator Charles Bolden said. "I am deeply grateful for his vigilance over the safety a

Today’s wakeup song was “Don’t Panic,” by Coldplay, played at 9:59 p.m. EDT for space shuttle Atlantis Pilot Doug Hurley. Hurley will guide Atlantis away from the International Space Station on a half-lap fly-around about an hour after the shuttle undocks at 2:28 a.m.

Atlantis Commander Chris Ferguson and Pilot Doug Hurley have reloaded software into General Purpose Computer (GPC) 4 and recovered the computer. It has been added to the common set of GPCs and is operating normally, processing data. Meanwhile, Mission Control is evaluating the “dump” of data from the computer that Atlantis transmitted earlier this morning to determin

In Firing Room 4 in the Launch Control Center at NASA's Kennedy Space Center in Florida, launch team members gather at their consoles preparing for space shuttle Atlantis' STS-135 mission to the International Space Station. Atlantis and its crew of four are scheduled to lift off at 11:26 a.m. EDT on July 8 to deliver the Raffaello multi-purpose logistics module packe

NASA's Hubble Space Telescope crossed another milestone in its space odyssey of exploration and discovery. On Monday, July 4, the Earth-orbiting observatory logged its one millionth science observation during a search for water in an exoplanet's atmosphere 1,000 light-years away. "For 21 years Hubble has been the premier space science observatory, astounding us with

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 mu

Cue the surfing music. Scientists have spotted the iconic surfer's wave rolling through the atmosphere of the sun. This makes for more than just a nice photo-op: the waves hold clues as to how energy moves through that atmosphere, known as the corona. Since scientists know how these kinds of waves -- initiated by a Kelvin-Helmholtz instability if you're being techni

NASA's Aquarius mission is less than a week away from its June 9 launch date. Liftoff preparations continue on schedule at Vandenberg Air Force Base in California. The second-stage oxidizer will be loaded today and fuel loading will follow on Monday. Although its batteries will soon be charged, no other work is scheduled for the spacecraft, which will lift off aboard

At NASA Kennedy Space Center's Launch Pad 39A, teams closed the rotating service structure (RSS) this morning and will evaluate data from a storm that passed over Kennedy yesterday. A lightning strike was detected about half a mile from the pad. Teams will perform walkdowns and evaluate the data. Meanwhile, technicians completed a hotfire of space shuttle Atla

Space shuttle Endeavour and its crew of six astronauts are to return to Earth in the early morning of June 1, 2011, to complete the STS-134 mission, the last of Endeavour's spacegoing career. Landing is scheduled for 2:35 a.m. EDT. The mission launched Monday, May 16, 2011, at 8:56 a.m. EDT on a mission to the International Space Station. We will cover Endeavour's re

Tiny crystals of a green mineral called olivine are falling down like rain on a burgeoning star, according to observations from NASA's Spitzer Space Telescope. This is the first time such crystals have been observed in the dusty clouds of gas that collapse around forming stars. Astronomers are still debating how the crystals got there, but the most likely culprits ar