单词:Cassegrainian telescope
单词:Cassegrainian telescope 相关文章
The Hubble When most people think of space, what comes to mind are names like 1) John Glenn and Neil Armstrong. When scientists think about space, the name that comes to mind is Hubble, a space telesc
[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
A massive weather system sweeping across the Deep South is spawning tornadoes. Suzette Berry lives just outside Yazoo City, Mississippi where she says a twister tore through Highway 49 and flattened just about everything in its path. Trees downed, I
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
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
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
This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi
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
SCIENCE IN THE NEWS - Flight to Service Hubble Telescope Could Take Place in Early 2008By Jerilyn Watson and Jill Moss Broadcast: Tuesday, November 07, 2006 VOICE ONE: This is SCIENCE IN THE NEWS in V
Dear Logan, Since you came into my life, I've been so happy. The fact that we're a thousand miles apart is not a matter at all because you are always in my heart. You told me that I'm the right one. I cannot tell you how good that made me feel. I am
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
生活大爆炸第四季第九集_3 剧情简介: The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有