单词:grey silk
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Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th
STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein. This week on our program, we take you to President Lincoln's Cottage in Washington. (MUSIC) STEVE EMBER: Our story begins on the ev
RACHEL MARTIN, HOST: By many measures, Mansour Omari should not be a free man. The Syrian human rights activist spent years documenting the many abuses of the Syrian government, keeping track of the tens of thousands of Syrians who have disappeared i
Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
By David McAlary Washington 14 March 2007 A U.S. spacecraft studying Saturn has found evidence of large seas on its biggest moon, Titan. But if they are seas, they would not be filled with water. Instead, as VOA's David McAlary reports, they would be
Beatles 'shark' Klein dies at 77 Music entrepreneur Allen Klein, blamed by many for contributing to the demise of The Beatles, has died in New York at 77 after suffering from Alzheimer's. In a career spanning five decades, Klein earned a reputation