单词：mass in earth orbit (meo)
单词：mass in earth orbit (meo) 相关文章
09 航空航天技术有及其相关知识 DATE=3-14-01 TITLE=EXPLORATIONS #1943 - Space Questions BYLINE=Paul Thompson VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember with the
自然探索
In the same way that man has his experience in many different houses, so he has many ways of acting, or different skills, with which to meet the needs of experience. These are indicated in a horoscope by the planets. The planets are the bodies that m
轻松英语
Wk 08 (19 February 1986) Russia Launches The First Space StationThis Week in HistoryRussia launches the first modules of the MIR space station into orbit around the earth. In 1986, Russia launched the first of several modules of the MIR space station
英语新闻与报道—News and Reports
SCIENCE IN THE NEWS - Criticism Weighs Heavy on New Solar System With Pluto as a 'Dwarf Planet'By Mario Ritter and produced by Brianna Blake Broadcast: Tuesday, September 05, 2006 VOICE ONE: This is S
2006年慢速英语（九）月
Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that
VOA2003（上）-科技导航
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
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute Happy New Year! And dont feel bad about taking today off. After all, youve traveled far. And Im not talking about the trip home from the party last night. According to N
Scientific American(一)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
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
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We residents of the Milky Way should have a little extra skip in our step today. Turns out our home galaxy is much bigger and moving a lot faster than we previously th
Scientific American(一)月
Each tag is whipping around the center of the galaxy, the particular, the most striking thing you will notice is the motion of SO2.So SO2 goes on an incredible roller-coaster ride. It comes whipping around and then back out. Something with tremendous
自然百科2011年
Weknew from the radar measurements where Golevka was within a few tens of metres.And yet it was actually 12 or 15 kilometres away from where it was predicted tobe without Yarkovsky effect. So these very precise radar observations allowedus to see the
探索与发现2014年
Space exploration 太空探索 The end of the Space Age 太空时代的结束 Inner space is useful. Outer space is history 研究内太空才有用，让外太空研究成为历史 Jun 30th 2011 | from the print edition HOW big is the Earth? Any enc
经济学人综合
EXPLORATIONS - 'The Greatest Experience': Ed White Goes for the First American Walk in SpaceBy Marilyn Christiano Broadcast: Wednesday, August 02, 2006 EXPLORATIONS -- a program in Special English by
2006年慢速英语（八）月
42 “星光号人造卫星”成功进入运行轨道 DATE=5-2-01 TITLE=EXPLORATIONS #1950 - STARSHINE SATELLITES BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley G
科技之光
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
Japans devastating 8.9-magnitude earthquake last Friday was so powerful that experts say it slightly increased the Earths rotation（旋转） speed, making the day a fraction of a second shorter. U.S. space agency scientist Richard Gross said the qu
英语新闻
But, as powerful as Rome may have been, they couldn't change the rules of the universe, and neither of these calendars add up to anywhere close to the time it takes us to orbit the sun. After a few years, the seasons are out of whack with the months,
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