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Lightsail-1太阳帆将于2010年发射
Setting sail for space, a "solar sail" project announced Monday aims to observe storms on the sun.Â
The Planetary Society, a space exploration advocacy group founded by Carl Sagan, outlined its plans for the 2010 launch of its first solar sail. Lightsail-1 will use the pressure of the solar wind to navigate in space.
"Sailing on light is a pathway to the stars, but on that path are also some very important scientific and engineering applications that help us understand and protect our own planet and explore other worlds,"Â president Jim Bell says in a statement.
In 2005, a prototype Planetary Society solar sail crashed due to the failure of a Russian launch rocket.
The society plans to put the first solar sail into orbit almost 500 miles above Earth to test controlling its four triangular sails, which will be attached to lightweight "nanosat" spacecraft. Two follow-on missions will travel to sun-circling orbits and monitor space for solar storms. |
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