美联社新闻一分钟 AP NEWS 2007-12-22

1. A federal judge seems reluctant to investigate the destruction of CIA interrogation videotapes, while the Justice Department is looking into the matter. The Administration wants the court to back off, while others say it may be the only place for

【英语时差8,16】Space Message 宇宙信息

Now, its the question that has gripped generations. Is there anyone out there? Well, there is a plan to send a message to a planet just one trillion miles away from us. A project has been launched to collect messages from everyone. The most popular o

60秒科学:Water Blankets Forming Planets

Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the

VOA双语新闻 Scientists Observe Brightest Cosmic Explosion

Astronomers have detected the brightest explosion ever witnessed in the heavens. It was a flash of light from across our galaxy so powerful that it bounced off the Moon and illuminated Earth's upper atmosphere. The researchers say if the blast had oc

科学美国人60秒 SSS 奇怪的太阳系

You Live In a Strange Solar System The more astronomers study the heavens, the more they realize: our solar system is weird.There are a few things that make the solar system kind of strange.Lauren Weiss, an astrophysicist at the University of Montrea

【英语时差8,16】时间之谜--日历的产生

Early humans hunted animals and gathered wild plants. They moved in groups or tribes from place to place in search of food. Then, people learned to plant seeds and grow crops. They learned to use animals to help them work, and for food. They found th

英语听力：2013-10-09 地平线：黑洞吞噬—9

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

英语听力：2013-09-27 地平线：黑洞吞噬—4

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

英语听力：2013-09-18 地平线：黑洞吞噬—1

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

2015-06-10 BBC:星光七纪元-41

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

2015-05-13 BBC:星光七纪元-33

Bloating in old age to become red giants;their cores contracting into white dwarves; The most massive ones exploding as supernovae; Fleeing the elements they have created, out into space to form the materials for the next generation of stars. But tha

2015-05-27 BBC:星光七纪元-37

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

英语听力：2013-10-23 地平线：黑洞吞噬—15

It's clear that it will come very close to the black hole, might even hit the black hole. So maybe we actually are feeding the black hole here. Now exactly how much and how fast of all these is completely unknown and that's the excitement about it be

英语听力：2013-11-01 地平线：黑洞吞噬—19

We now know this light is produced by the rotating disk of matter, spinning round the edge of the black hole at the heart of the Cygnus A galaxy, waiting to be devoured. It means that against all popular expectations, the brightest sources of light i

英语听力：2013-11-03 地平线：黑洞吞噬—20

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

英语听力：2013-11-20 地平线：黑洞吞噬—27

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

双语有声阅读:Universe may be proven flat 宇宙是平的

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

2007年VOA标准英语-Astronomers Search for Origin of What Cannot be

By Jessica Berman Washington 14 September 2007 Scientists have known for some time that most of the stuff in the Universe is so-called dark matter, material that cannot be seen directly because it does not interact with light. That makes it very diff

科学美国人60秒 SSS X射线可能照射到一些可居住外行星区域

Some Habitable Zone Exoplanets May Get X-Rayed Out X射线可能照射到一些可居住外行星区域 As astronomers hunt for habitable, Earth-like worlds, one popular place to look is around M stars, a type of red dwarf. Couple reasons for that: 当

科学美国人60秒 SSS 抱住大星系的大腿

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