单词：Hohmann orbit
单词：Hohmann orbit 相关文章
Space Crew to Enjoy Thanksgiving Feast in Orbit The three crew members on the International Space Station plan to have their own Thanksgiving feast on Thursday as they orbit 352 kilometers above the earth. The lone American on board plans to share so
VOA标准英语2011年(十一月)
China's first cargo spacecraft has refueled the Tiangong-2 space lab in orbit for the first time. Tianzhou-1, which was launched April 20th from Wenchang Space Launch Center in south China's Hainan Province, successfully completed an automated dockin
2017CRI中国国际广播电台
LONDON, May 11 (Xinhua) -- A controversial steel tower was unveiled in the Olympic park of London on Friday, about two and a half months before opening of the Games, which was hoped to become of a new icon of the city and bring more visitors. The tow
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The U.S. space agency NASAs Messenger probe（正直的，廉洁的 ） is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp
英语新闻
The U.S. space probe MESSENGER is poised to enter orbit around Mercury（水银） early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting
英语新闻
WASHINGTON, Jan. 1 (Xinhua) -- Twin U.S. spacecraft to study the moon from crust to core put themselves into the lunar orbit on New Year's Eve and New Year's Day, the country's space agency said. The second Gravity Recovery And Interior Laboratory, o
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