单词:anaberrational reflector telescope
单词:anaberrational reflector telescope 相关文章
[00:02.39]第八单元 一个野营旅行 [00:04.78]A Read and say [00:07.01]A 读并说 [00:09.25]The children and their teachers are now near the hill. [00:12.28]孩子们和他们的老师正在接近这座小山。 [00:15.31]They are at a camping site.They are showing their th
PEOPLE IN AMERICA -February 10, 2002: Percival Lowell By Mario Ritter VOICE ONE: I’m Mary Tillotson. VOICE TWO: And I’m Bob Doughty with the VOA Special English program People in America. Today, w
Hubble's Dazzling Mission Nears Its End 哈勃太空望远镜使命渐入尾声 The Hubble Space Telescope has changed the way we see the universe. For almost a quarter of a century, it has sent vast amounts of data and images from space. A new exhib
By David McAlary Washington 31 October 2006 The U.S. space agency says it will send space shuttle astronauts one more time to extend the life of the Hubble Space Telescope. The decision reverses one made by NASA's previous management two years ago,
Scientists Expect Unexpected from Largest Ground-based Telescope The mirror of the Hubble Space Telescope that gave the world stunning pictures of deep space is about 4.5 square meters. Compare that with the primary mirror of the James Webb Space Tel
James Webb Space Telescope Progresses Toward Launch WASHINGTON While the space community is looking back this week to celebrate the 25th anniversary of the launch of the Hubble Space Telescope, workers in an airtight cleanroom at Goddard Space Flight
Some Assembly Required: New Space Telescope Will Take Shape After Launch play pause stop mute unmute max volume 00:0003:13repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update yo
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
An unusual Boeing 747 arrived in Christchurch at the weekend from California. It has a telescope on board. The plane will spend the next three weeks flying the skies of the South Island to study the Milky Way. It is called SOFIA, Stratospheric Observ
据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
By Paul Sisco Washington, DC 05 July 2006 watch Hubble Repair report A Hubble telescope image of part of the universe Space scientists at the U.S. space agency, NASA, are celebrating the return to action of the Hubble telescope. --------- For more t
Technology Report - Is NASAs James Webb Space Telescope a Time Machine? This is the VOA Special English Technology Report. If you could build a time machine, what would it look like? Maybe, it should look like a telescope. American scientists are bui
China launches its first X-ray space telescope to observe black holes, pulsars and gamma-ray bursts, via a Long March-4B rocket from Jiuquan Satellite Launch Center in northwest China's Gobi Desert on June 15, 2017. [Photo: thepaper.cn] China launche
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
THIS IS AMERICA - Naval Observatory in Washington By Jill Moss Broadcast: September 23, 2002 VOICE ONE: The United States Naval Observatory performs an important scientific duty for the United States,
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
Implantable 'eye telescope' that magnifies vision by three times approved for use in patients可以三倍变焦的眼中望远镜已被批准医用。 A miniature telescope that is implanted in the eye to solve sight problems has been approved for us
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for