October 13, 2008 | ![]() |
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NASA Supercomputer Shows How Dust Rings Point To Exo-Earths![]() Supercomputer simulations of dusty disks around sunlike stars show that planets nearly as small as Mars can create patterns that future telescopes may be able to detect. The research points to a new avenue in the search for habitable planets. "It may be a while before we can directly image earthlike planets around other stars but, before then, we'll be able to detect the ornate and ... more What Will Flight To Mars Reveal ![]() Deep space exploration is becoming an ever bigger part of national space programs. Currently, missions to the Moon and Mars are considered feasible. The U.S. has announced preparation for another space probe launch to collect data from the Martian atmosphere, scheduled for 2013. In Russia, Martian exploration is confined to ground tests so far. The project Mars-500, aimed at determining ... more Smaller And More Recent Features On Mars Can Now Be Dated ![]() The crater-counting system that scientists have used since the 1970s to determine the age of large geologic features on Mars will also allow them to date small features, such as riverbeds and lava flows, according to William K. Hartmann, a senior scientist at the Tucson-based Planetary Science Institute. Hartmann, who works out of PSI's Tucson office, presented the results of his study at ... more Orbital Tweak Makes Odyssey More Sensitive In Martian Mineral Search ![]() A six-minute rocket firing on September 30 has put NASA's Mars Odyssey spacecraft on track for a new orbit around the Red Planet. The change, part of a two-year extension for the mission, will give an ASU-operated instrument carried on Odyssey greater sensitivity for mapping Martian minerals. The instrument is the Thermal Emission Imaging System (THEMIS), a multi-band heat-sensing camera ... more NASA plans Mars launch next fall ![]() NASA plans to launch a new exploration rover to Mars next fall, despite budget and technical concerns, a NASA official said Friday. "All indications are that they're still on track for the '09 launch," Doug McCuistion, director of the Mars Exploration Program, said at a teleconference. The space agency will review the mission's progress again in January, he said. NASA's Je ... more |
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![]() ![]() NASA's Phoenix Mars Lander has detected snow falling from Martian clouds. Spacecraft soil experiments also have provided evidence of past interaction between minerals and liquid water, processes that occur on Earth. A laser instrument designed to gather knowledge of how the atmosphere and surface interact on Mars has detected snow from clouds about 4 kilometers (2. 5 miles) above the ... more The Ancient Rains Of Mars ![]() About four billion years ago, there were lakes on Mars which may have been fed by short-lived rivers that were, in turn, fed by precipitation. These lakes filled craters that were formed by the impact of meteorites. Water accumulated in places where rivers broke through the crater rims. Deltas were formed at the mouths of the rivers, similar to how they are formed where rivers flow into ... more Opportunity Slipping Like A Dune Buggy ![]() During the past week, Opportunity has been trying to reach a patch of dust between two crests of the ridge surrounding "Victoria Crater." The rover approached the ridge from the west, driving on flat ground, on Martian days, or sols, 1648 and 1650 (Sept. 12 and Sept. 14, 2008). Then, after reaching a staging position, Opportunity began to climb the ridge. That's when the rover's wheels beg ... more Mars Rover To Head Toward Bigger Crater ![]() NASA's Mars Rover Opportunity is setting its sights on a crater more than 20 times larger than its home for the past two years. To reach the crater the rover team calls Endeavour, Opportunity would need to drive approximately 12 kilometers (7 miles) to the southeast, matching the total distance it has traveled since landing on Mars in early 2004. The rover climbed out of Victoria Crater earlier ... more |
mars-mro
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![]() ![]() A novel experiment has dealt a setback to a theory that life on Earth was kickstarted by bacteria that hitched a ride on space rocks. The "pan-spermia" hypothesis is that cells were transported to the infant Earth on rocks that were bumped off other planets or even came from another star system. The theory gained a boost in 1996 when a group of US scientists proposed that a famous meteor ... more NASA marks 50th birthday, looks to new frontiers ![]() Half a century after NASA was created at the height of the Cold War when the United States sought to prove its superiority by winning the race to the Moon, the space agency faces new challenges ahead. At its conception NASA sought to assert American dominance over the Soviet Union, but in the new 21st century it finds an emerging rival in the space race: China. The birth of the National ... more Facts about NASA, the world's biggest space agency ![]() The National Aeronautics and Space Administration has the world's largest budget for space exploration with some 17 billion dollars on hand each year for space missions and robotic research. It was created by the US Congress in July 1958 to challenge the former Soviet Union's rise in the space race, a year after the Soviets launched the first artificial satellite, Sputnik, into space. ... more After Olympics, China eyes space conquest ![]() Flushed with success after a widely applauded Beijing Olympics, China will seek this week to further burnish its image with a new chapter in its quest to conquer space. Long-time Communist Party member Zhai Zhigang is slated to become the nation's first "taikonaut" to walk in space during the Shenzhou VII mission, China's third manned space flight, which is slated to blast off Thursday night ... more
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