单词：Solar Polar Mission
单词：Solar Polar Mission 相关文章
By Alex Villarreal Washington 31 October 2007 NASA has delayed the fourth spacewalk of a complex two-week mission by U.S. space shuttle Discovery to boost the capability of the International Space Station. The walk, originally set for Thursday, is no
2007年VOA常速英语（十月）
By David McAlary Washington 14 September 2006 The International Space Station has spread a new pair of golden wings. They are solar panels that will double the amount of power available to the outpost. Unfurling them took longer than expected becaus
2006年VOA标准英语（九月）
By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north
2007年VOA标准英语（二月）
By David McAlary Washington 13 September 2006 The International Space Station (ISS) spreads its new solar wings Thursday. Spacewalking astronauts from the U.S. space shuttle Atlantis have spent two days preparing them for operation, and now they are
2006年VOA标准英语（九月）
By Kane Farabaugh New York City 01 August 2007 During the Cold War, Greenland was a strategic location for the United States military to track and detect Soviet aircraft and ballistic missiles. The military established radar and tracking sites throug
2007年VOA标准英语（八月）
LOS ANGELES, May 25 (Xinhua) -- NASA project managers bade farewell to the Mars rover Spirit on Wednesday after sending a final set of commands to the stranded vehicle. This marks the completion of one of the most successful missions of interplanetar
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