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NASA plans two challenging spacewalks to fix ISS pumpWashington (AFP) Aug 2, 2010 NASA teams raced Monday to get ready for two challenging spacewalks to fix a pump module on the International Space Station's cooling system that dramatically failed last week. ISS astronauts will need a minimum of two spacewalks to remove the failed unit and replace it with a new one, and teams on the ground and in space were racing to do the first of the spacewalks on Thursday, Courtenay McMillan, the spacewalk flight director for the expedition, told reporters. Two astronauts were holding dry ... read more |
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West Lafayette IN (SPX) Aug 02, 2010Researchers have discovered mechanisms critical to interactions between hot plasma and surfaces facing the plasma inside a thermonuclear fusion reactor, part of work aimed at developing coatings capable of withstanding the grueling conditions inside the reactors. Fusion powers the stars and could lead to a limitless supply of clean energy. A fusion power plant would produce 10 times more e ... more  
Boulder CO (SPX) Aug 02, 2010It was a perfect STORRM. On Tuesday, July 20, NASA and its industry partners Lockheed Martin Space Systems and Ball Aerospace and Technologies Corp., successfully demonstrated a new sensor technology that will make it easier and safer for spacecraft to rendezvous and dock to the International Space Station. This new docking navigation system prototype consists of an eye-safe lidar Vision N ... more 
Washington (AFP) Aug 1, 2010Astronauts aboard the International Space Station may need to undertake unscheduled spacewalks later this week after one of the orbiting outpost's ammonia cooling systems broke down, NASA said Sunday. Officials at the US space agency's mission control in Houston, Texas, "are discussing options to perform two spacewalks later this week to replace the pump module," said NASA. An attempt to ... more |
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Cassini Helps With Dune WhodunitPasadena CA (SPX) Jul 30, 2010 The answer to the mystery of dune patterns on Saturn's moon Titan did turn out to be blowing in the wind. It just wasn't from the direction many scientists expected. Basic principles describing the rotation of planetary atmospheres and data from the European Space Agency's Huygens probe led to circulation models that showed surface winds streaming generally east-to-west around Titan's equatorial belt. But when NASA's Cassini spacecraft obtained the first images of dunes on Titan in 2005, the ... read more |
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