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This is Scientific American's 60-Second Science. I'm Steve Mursky. Got a minute? Orbiting around stars far far away is sand. Astronomers have found sandy particles circling a pair of stars about 2,400 light years from us. And they think they might be
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By Mil Arcega Washington 09 April 2007 Watch Boeing Fuel Efficient Jets Boeing 787, Fuel Efficient Jets After years of lagging behind European rival Airbus, Boeing says 2007 is shaping up to be a very good year. The Chicago based airplane manufacture
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By David McAlary Washington 12 January 2006 As astronomers detect more and more planets outside our solar system, they are finding that many of them have more than one sun, unlike Earth and its compan
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By Steve Schy Washington 17 January 2006 Kim Hyo-Jung Kim Hyo-Jung, 17, left her native South Korea and family two years ago to get a fresh start in speedskating, after what she describes as bad exper
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By David McAlary Washington 14 September 2006 Astronomers have found that the universe began lighting up in its infancy. They have observed the most distant and oldest galaxies ever seen, small galaxies that helped lift the cosmos out of its dark ag
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An astronomer used to walk out every night to gaze upon the stars．It happened one night that，as he was wandering in the outskirts of the city，with his whole thoughts rapt up in the skies，he fell into a well．On his holloaing and calling out，
趣味英语