This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est

发表于:2018-12-02 / 阅读(87) / 评论(0) 分类 Scientific American(一)月

If it points the camera forward, at first it sees only black. But as it moves toward the heart of the black hole, it encounters the most bizarre place in the universe. A black hole in massive gravity holds everything down to an unimaginably small poi

发表于:2018-12-07 / 阅读(252) / 评论(0) 分类 访谈录2010

Reuters. Thousands gathered in Novosibirsk in Siberia to see a rare solar eclipse. With eye protection and some looking through specially shielded telescopes, they waited until the moment the sun began to disappear in the middle of the day. A total s

发表于:2018-12-11 / 阅读(68) / 评论(0) 分类 万花筒2008年

Rare Astronomical Event to Occur June 5-6 Skywatchers on all seven continents will get a chance to witness an astronomical rarity on June 5 or 6, the transit of the planet Venus. It is likely the last time anyone alive today will have a chance to vie

发表于:2018-12-16 / 阅读(85) / 评论(0) 分类 VOA标准英语2012年(六月)

Weve all been hearing about ongoing Mars exploration, and how water probably used to be abundant there. And a water spewing volcano was recently discovered on a small moon orbiting Saturn. Water is one sign that life may exist or have existed at some

发表于:2018-12-28 / 阅读(94) / 评论(0) 分类 初学者听力文摘精选

If you are floating in a balloon, the center of the red spot might be rather calm. But you will be going fast, your balloon will be going faster than the hurricane winds, but it might be a smooth ride. This storm is a sigh to the halt, towering five

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 自然百科2012年

Astronomer's Hometown Celebrates Pluto Fly-by 天文学家家乡庆祝冥王星飞行器 STREATOR, ILLINOIS Astronomer Clyde Tombaugh, born in rural Illinois in 1906, discovered what became the ninth planet in our solar system Pluto. Today, NASAs New

发表于:2019-01-14 / 阅读(94) / 评论(0) 分类 VOA标准英语2015年(七月)

Yesterday, astronomers announced that theyve discovered seven Earth-sized planets all orbiting the same star. The findings were published in a journal Nature. NASA says this is a record number of these kinds of planets orbiting this kind of star. It

发表于:2019-01-19 / 阅读(98) / 评论(0) 分类 CNN美国有线新闻2017年3月

Astronomers have searched far and wide for a planet that are the right size and in the right place to support life. Well, maybe they should have set their sight a little close to the home. Because a new study suggests there may be earth-like planet j

发表于:2019-01-20 / 阅读(85) / 评论(0) 分类 Scientific American(二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2019-01-20 / 阅读(115) / 评论(0) 分类 2015年Scientific American(六)月

It's like trying to pick out an individual inside the middle of a busy city, with lights and cars, and things happening all around them. But that wasn't the only problem. Vast, swirling clouds of dust and gas prevent visible light from the centre of

发表于:2019-01-23 / 阅读(69) / 评论(0) 分类 探索与发现2013年

The evidence suggested that billions of tons of matter from a massive star had shrunk to nothing.So what we are left with here is this mind-boggling idea of mass contained in zero volume, and that just make your head spin, but that's what we call a b

发表于:2019-01-23 / 阅读(95) / 评论(0) 分类 探索与发现2015年

Once the fusion stops, the whole thing collapses under its own weight to form a white dwarf, so you got this very small blob which is incredibly dense, it's going to be something like a million times denser than it started off, so dense in fact that

发表于:2019-01-23 / 阅读(124) / 评论(0) 分类 探索与发现2015年

Could these be the neutron stars predicted by Z? astronomers nicknamed them pulsars and immediately set their telescopes searching for further clues about them, just a year later, they found one, in the perfect place to put Z's theory to the test.In

发表于:2019-01-23 / 阅读(102) / 评论(0) 分类 探索与发现2015年

A total of eight highly sophisticated scientific equipment will travel to the moon with the Change 3 lander and rover. As soon as they touchdown, they will start sending back a great deal of first hand data to Chinese scientists for further analysis.

发表于:2019-02-04 / 阅读(108) / 评论(0) 分类 CCTV9英语新闻2013年12月

Searching the Heavens for Mountains In the last few decades, astronomers have discovered thousands of exoplanets orbiting other stars. Now, scientists want to know what they look like. Do they have oceans? Atmospheres? Researchers have even searched

发表于:2019-02-14 / 阅读(77) / 评论(0) 分类 2018年科学美国人3月

Every year the Smithsonians National Portrait Gallery in downtown Washington adds new works to its vast collection. 每年,位于华盛顿市中心的史密森尼国立肖像馆都会为其浩如烟海的收藏集锦中添加新的作品。 Ann Shu

发表于:2019-02-14 / 阅读(68) / 评论(0) 分类 VOA标准英语2019年(一月)

The James Webb telescope is being prepped for launch in 2021 and it will change the way that NASA views the universe. James Webb is designed specifically to look into the infrared, and this is an area of the spectrum where we have looked before, but

发表于:2019-02-18 / 阅读(97) / 评论(0) 分类 VOA标准英语2019年(一月)

This is AP News Minute. President Trump has delayed the State of the Union address until the partial government shutdown ends. House Speaker Nancy Pelosi had objected to the speech during the shutdown. Trump said on Twitter no other location could co

发表于:2019-02-21 / 阅读(165) / 评论(0) 分类 美联社新闻一分钟2019(一)月

Building a Better Mirror for Telescopes 为望远镜打造更优质镜面 To study the heavens, it's all about the photons. We in astronomy are always greedy. We want every photon we can collect. Drew Phillips, astronomer at University of California

发表于:2019-03-15 / 阅读(239) / 评论(0) 分类 2017年Scientific American(九)月