标签：Astronomers 相关文章
Scientists Observe Most Distant Cosmic Explosion Ever Recorded 科学家们观察到有史以来最遥远的宇宙爆炸 Astronomers have detected the most distant explosion ever witnessed in the heav
VOA2005（下）--环境科学探索
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. This week, we will tell about evidence that something big struck the planet Jupiter. We will also tell about a long ignored organ in
VOA慢速英语2009年（八）月
But it was... what happened was the ...understanding of how to move these things forward, and how to create these new products, somehow evaporated, 他们不懂如何利用新技术，不懂如何创造新产品 and I think a lot of good people stuck
名人传记
Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
Harvest Moon 秋分前后之满月 Right now, as seen from the northern hemisphere, the ecliptic -- or path of the sun, moon and planets -- makes a narrow angle with the evening horizon. Learn more about the ecliptic -- and the Harvest Moon -- today on Ear
(科普英语)Earth and Sky
Researchers: Many Black Holes in Center of Milky Way Galaxy Astronomers say the center of our galaxy has plenty of strange, super gravity objects. For years, scientists believed that circling the center of galaxies, including our own Milky Way galaxy
2018年VOA慢速英语(四)月
美联社,新闻一分钟,Israeli,Gaza,West Bank,1: Israeli troops drag Jewish settlers out of their Gaza homes in a massive evacuation. In the West Bank a settler kills three Palestinians. 2: Three car bombs explode near a bus station and a hospita
美联社新闻一分钟2005
1. The so-called morning-after pill will soon be available over the counter. The Food and Drug Administration is allowing Plan B to be sold to women 18 and older without a prescription. Girls 17 and y
美联社新闻一分钟2006
At last, astronomers had a map of our galaxy. A panorama of the Milky Way, it would never be possible to see from Planet Earth. 27,000 light-years from our solar system is the centre of our galaxy. If we were ever going to have a chance of seeing a b
探索与发现2013年
But if watching matter tumble over the edge of a black hole might now be possible, it is only because of the efforts of a generation of astronomers to wrestle these dark dragons of the cosmos into the realms of scientific reality. As is often the cas
探索与发现2013年
Nothing is more seductive than the unknown, nothing more compelling than a place of danger that lies beyond normal comprehension. Of all those places, perhaps the strangest of all are black holes. They are an exit point from the Universe, hidden trap
探索与发现2013年
Scientists call it the Big Bang and it was predicted by the very same equations that discovered black holes.There is the Big Bang theory, according to which the universe began with a gigantic fireball on creation day, some 10,000 million years ago. I
探索与发现2015年
And became billions of times stronger than our sun's, now as the star span, it channelled out radio signals from its north and south poles, signals that swept past earth with every rotation of the star, this was the source of the mysterious pulses, s
探索与发现2015年
The super bright quasar phase having ended many billions of years ago, when the fuel that fires violent emissions was completely consumed. But now, with the approaching gas cloud and a prospect of feeding, the black hole should get brighter. Exactly
探索与发现2013年
If you look at the Milky Way galaxy, its this interesting balancepoint that this place where its just enough to wash from the black whole tokeep things interesting to possibly make the environment that allows us toexist here. Astronomers are eagerly
探索与发现2013年
Universe may be proven flat 宇宙是平的 The Boomerang experiment balloon inflating just before launch 气球发射升空前在充气 A high-flying balloon which soared over Antarctica may have answered one of cosmology's greatest questions by rev
双语有声阅读
By Nancy-Amelia Collins Jakarta 12 September 2007 The new moon is here, and across the sprawling archipelago of Indonesia, Islam's most holy month, Ramadan, is officially about to begin. Members of the world's largest Muslim population will begin the
2007年VOA标准英语（九月）
Our galactic home, the Milky Way, is big. Mostgalaxies are far smaller. And its not easy being one of those little galaxiesa big galaxys gravity can rob their gas. And gas creates new stars, so losing gas spells the end of star-making. That's what ha
2017年Scientific American(二)月
To really behold the stars these days, you have to travel far from cities and towns to escape urban glow. The magnificent sight of the Milky Way, for example, can now only be seen in rural areas. But why do we shine light up into the sky in the first
英语时差8，16
North Korea has said that it has for the first time successfully tested a hydrogen bomb. The announcement was made on state television. It came hours after a tremor with a magnitude of 5.1 was detected near a known nuclear test site in the northeast
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