单词：simulation of space debris
单词：simulation of space debris 相关文章
Scientists Deliberate Cleaning Space Junk WASHINGTON Everything that we launch into an orbit around the earth eventually becomes space debris. Scientists say the increasing number of unusable objects circling our planet is threatening functioning sat
VOA标准英语2014年(六月)
Have Scientists Discovered a Radio Space Shield? Space, it turns out, is not a very safe place for electronic devices. High-energy space particles can cause serious problems for satellites and electronic equipment, even on the Earths surface. These p
2017年VOA慢速英语(十一)月
By Cindy Saine Washington 01 July 2006 In this image made from NASA TV, German Astronaut Thomas Reiter exits the Space Shuttle Discovery at the Kennedy Space Center in Cape Canaveral The space shuttle Discovery was set to lift off (at 1949 UTC) Satu
2006年VOA标准英语（七月）
Broadcast: Feb 01, 2003 The U.S. Space Shuttle Columbia broke apart in mid-air Saturday minutes before it was to return to Earth. The U.S. space agency, 1) NASA, says none of the seven astronauts aboa
VOA2003（上）-科技先知
The Fourth of July fireworks started early. Scientists wearing red-and-blue shirts jumped up and down at the Jet Propulsion Laboratory here in California, upon receiving word from 83 million miles away that a comet had smashed into a NASA probe. The
2005年NPR美国国家公共电台
By Kent Klein Washington 03 June 2008 Astronauts at the International Space Station have attached a $1 billion Japanese laboratory to the orbiting outpost. During a space walk Tuesday, mission specialists Michael Fossum and Ronald Garan unlocked the
VOA标准英语2008年（六月）
AILSA CHANG, HOST: A prototype space station, put into orbit by China, will soon be falling back to Earth. It is the size of a city bus. No one knows where parts of it will land although regions of the continental U.S. are in the potential crash zone
2018年NPR美国国家公共电台3月
Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,
世界各地新闻集锦
By Michael Bowman Washington 04 July 2006 Shuttle Discovery launch The Space Shuttle Discovery is in orbit after a picture-perfect launch Tuesday, the first-ever shuttle mission to lift off on America's Independence Day holiday. --------- After two
2006年VOA标准英语（七月）
By Robert Raffaele Washington, DC 05 July 2006 watch Discovery Liftoff report Shuttle Discovery launch NASA successfully launched the space shuttle Discovery Tuesday, after two previous launches were scrubbed due to bad weather in the southeastern U
2006年VOA标准英语（七月）
By Sean Maroney Washington 13 December 2006 watch Paul Sisco report The U.S. National Aeronautics and Space Administration says the current shuttle crew's first space walk outside the International Space Station was a huge success. VOA's Sean Marone
2006年VOA标准英语（十二月）
BEIJING, Sept. 6 (Xinhuanet) -- The amount of space junks floating in Earth's orbit has reached a critical level, warned scientists. The future space missions may become too dangerous to fly for a risk of colliding with space junks, said a report rel
英语新闻
BEIJING, Sept. 2 (Xinhuanet) -- The amount of space junk orbiting the Earth could cause fatal leaks in spaceships or destroy valuable satellites, according to a report released by the U.S. National Research Council. Computer models have shown that th
英语新闻
By Michael Bowman Washington 20 February 2008 The U.S. Space Shuttle Atlantis is back on earth after delivering a new laboratory to the International Space Station. VOA's Michael Bowman has details from Washington. Sonic booms echoed over Florida as
VOA常速英语2008年（二月）
By Brian Wagner Miami 23 October 2007 The space shuttle Discovery has launched from Kennedy Space Center on a two-week mission to the International Space Station. VOA's Brian Wagner reports the seven astronauts on Discovery will deliver a new module
2007年VOA常速英语（十月）
TOKYO, March 11 (Xinhua) -- Japan and the United States on Monday held their first meeting of the Comprehensive Dialogue on Space and agreed to cooperate in monitoring ships from space, local media report. In a joint statement after the meeting, the
英语新闻
Part 3. Compton Gamma Ray Observatory. Keywords. ailing observatory, orbit, gamma rays. Vocabulary. debris, thruster, gyroscope, bathe, stream from, Compton Gamma Observatory, Goddard Space Flight Center. Now listen to a news report, complete the new
Step by Step 3000 第二册
Science and technology 科学技术 The military uses of space 太空军事用途 Spooks in orbit 轨道间谍卫星 The other space programme 另类太空计划 DESPITE its strong inheritance of military DNA, 尽管美国航空航天局有着浓重的
经济学人科技系列
The space lecture featured a QA session towards the end. Students questions ranged from what space looks like from Tiangong-1 to what problems the human body has faces in space. One of the students asked if the astronauts can see space junk and how S
CCTV9英语新闻2013年07月