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AS IT IS 2016-10-18 Supermoon Photos Around the World 世界各地拍摄到的超级月亮 This is Whats Trending Today. Something called a supermoon rose at night on October 15 and 16. That is when the moon is full, closer to Earth than usual, and l
2016年VOA慢速英语(十)月
Idiom: Move heaven and earth 经历千辛万苦做成某事 Hit the books: 1. space station 空间站 2. soil 土壤 3. astronaut 宇航员 4. orbit 轨道，围绕进行旋转 5. unreliable 不可靠的 6. laptop 手提电脑，笔记本电脑 7. ch
趣味青春英语
A Stationary Satellite, part 2 A geostationary satellite orbitsthe planet at the same rate as the planet rotates, so the satellite is always over the same patch of ground. Cool! you say. Id like to have one of those about twenty feet over my house. S
英语听力文摘 English Digest
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
(科普英语)Earth and Sky
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