单词:compact nebula
单词:compact nebula 相关文章
I Do a Lot of Office Fishing by Richard Salmon Some years ago, I started to look at the stars through high-powered binoculars and began reading books written by astronomers for people like me. I became an entranced stargazer for a while. The men who
By Gary Thomas Washington 31 January 2007 In a statement issued in Berlin Wednesday, Afghanistan and its international donor partners called for stepped-up efforts to restore security and strengthen governance in Afghanistan. At a conference in Lond
Lesson 32 Galileo reborn 伽利略的复生 First listen and then answer the following question. 听录音,然后回答以下问题。 What has modified out traditional view of Galileo in recent times? In his own lifetime Galileo was the centre of v
This is a compact apartment. 这是间麻雀虽小,五脏俱全的公寓。 compact这里指空间不大但功能齐全。 compact也指小型的,紧密的。 a compact disc一张光盘。
This is a compact apartment. 这是间麻雀虽小,五脏俱全的公寓。 compact这里指空间不大但功能齐全。 compact也指小型的,紧密的。 a compact disc一张光盘。
This is Scientific American's 60-Second Science. I'm Steve Mursky. Got a minute? Orbiting around stars far far away is sand. Astronomers have found sandy particles circling a pair of stars about 2,400 light years from us. And they think they might be
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola
反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到
By Anjana Pasricha New Delhi 25 September 2009 Maruti-Suzuki executive poses at unveiling of A-Star concept car India's exports of automobiles have surged as global automakers turn the country into a production hub for compact cars. A host of compan
The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recountedthe story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no
The reason we can be reasonably confident that such an event won't happen in our corner of the galaxy, Thorstensen said, is that it takes a particular kind of star to make a supernova in the first place. 索尔斯坦森说,有理由相信,这种事
BRUSSELS, June 29 (Xinhua) -- The European Union's (EU) top leaders have agreed on a growth compact for long-term economic revival, while the crisis-hit eurozone has been one step closer to the banking union as a two-day summit ended here on Friday.
The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recounted the story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no
Chinas space program has become the first to land a spacecraft on the so-called dark side of the moon. The landing on Thursday brought the country closer to its goal of becoming a space power. The China National Space Administration said the landing
编者按: 我的存在有何意义?我也好,我的民族也好,我的世界也好,我们的存在能起什么作用呢? 我生命的旅程向何处延伸,这个问题真的重要吗?是谁主宰着整个宇宙,他在想些什么呢?
Shortly after Copernicus, in the 1580s, an Italian friar, Giordano Bruno, 哥白尼死后不久,在十六世纪80年代,意大利修道士焦尔达诺布鲁诺提出, suggested the stars were suns that likely had their own planets and that the
How old is the Earth? 地球的年龄有多大? Well, by counting the number of isotopes in a sample of rock that's undergone radioactive decay, 通过对岩石样品中正经历着放射衰变的同位素计数, geologists have estimated the Ear
It looks like a hand of God reaching out into the cosmos, but NASA says the display is caused by a young and powerful pulsar. Taken by NASA's Chandra X-ray observatory from it's orbiting 360 miles above the Earth, the recently released photo of Pulsa
Now as we pull away from this world -- we're going to keep pulling away from the star now. 现在,我们将视线从这个世界里移出来--我们从这个星球移出来了 One of the things that always frustrated me a little bit about astronomy