Sun shield to let crews go to Mars
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Science & environment: Scientists simulate solar wind in Oxfordshire lab Magnets give protection against cancer risk
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Opportunity peers into crater After weathering the dust storms of the past two months, the Mars rovers Spirit and Opportunity have had their solar panels swept free off dust by kinder, gentler winds. With full power restored, the two explorers are now ready to renew their slow crawl over the surface of the red planet.â¦
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CAPE CANAVERAL, Dec. 13 -- In fits and starts, NASA began retracting via remote control a 115-foot solar array on the international space station Wednesday, likening the tricky task to refolding a road map and stuffing it into  a glove compartment.
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By Martin Merzer, The Miami Herald  Dec. 7--CAPE CANAVERAL -- Despite discouraging weather forecasts, NASA ordered technicians to begin fueling shuttle Discovery around noon today and to prepare the crew for tonight's blastoff.
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Astronauts aboard NASA&#39;s shuttle Atlantis will scan their spacecraft&#39;s heat shield later today for any signs of damage as they continue on course towards the International Space Station (ISS).
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Engineers test an airbag system that could be used to cushion a European rover's landing on Mars.
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The Genesis team is preparing to ship its samples of the Sun from the mission&#39;s temporary cleanroom at the US Army Proving Ground, Dugway, Utah, to NASA&#39;s Johnson Space Center, Houston.
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NASA engineers pondered how best to fix a tear in space shuttle Atlantis' heat shield while a new pair of electricity-generating solar panels were unfurled on the International Space Station on Tuesday.
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A new crew will be sent to the International Space Station next month, even though there are concerns about maintaining adequate oxygen and other supplies on the orbiting laboratory, NASA officials said Friday.
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As Spirit and Opportunity continue their treks through the Martian winter -- still on duty nearly a year after their arrivals, back down on Earth, NASA is already planning the robot rover that will follow them.
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In the next few weeks the twin Mars rovers will be out of touch with Earth when the Sun lines up to block communications. Daily operations will be taken over by longer-term instructions without radio links between the two planets.
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HOUSTON  -- Shuttle Atlantis astronauts will take  a closer look at a minor tear in their ship's heat shield on  Sunday after an undisclosed medical issue sidelined plans for a  spacewalk to install Europe's Columbus laboratory on the  International Space Station, NASA officials said.
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By MIKE SCHNEIDER  CAPE CANAVERAL, Fla. - After having some success retracting a balky solar array on Saturday, NASA plans to send two astronauts out to work on it some more on Monday in a fourth spacewalk.
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Scientists controlling the Opportunity Mars rover are taking an up-close look at an intriguing pitted rock on Mars, now dubbed "Heat Shield Rock".
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CAMBRIDGE,  Mass. -- Future explorers on the Moon and Mars could be  outfitted in lightweight, high-tech spacesuits that offer far more flexibility  than the bulky suits that have been used for spacewalks in the 1960s.
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Looking to accomplish the most work in the shortest period of time, NASA managers have decided to test two techniques to repair heat shields during one spacewalk when the space shuttle returns to flight, agency officials said on Friday.
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After three years on Mars, NASA rovers built for a three-month mission face their toughest foe: Martian sandstorms blocking the sunlight that charges their batteries.