标签：planets 相关文章
SCIENCE IN THE NEWS - Criticism Weighs Heavy on New Solar System With Pluto as a 'Dwarf Planet'By Mario Ritter and produced by Brianna Blake Broadcast: Tuesday, September 05, 2006 VOICE ONE: This is S
2006年慢速英语（九）月
[00:00.00]Lesson 14 Comets [00:02.60]彗星 [00:05.20]In recent scientific investigation of comets has increased [00:14.16]because of a growing interest in the origin of the sun and planets. [00:17.63]近年来，由于对太阳和行星的起源兴趣
赖世雄学英语第四册
AS IT IS 2015-01-20 Sri Lankan Election Tests the Power of the Planets 斯里兰卡选举考验占星师水平 Mahinda Rajapaksa was elected president of Sri Lanka in 2005 and won re-election in 2010. In 2014, he called for elections again two years
2015年VOA慢速英语(一)月
A planet has been discovered about 325 light-years away. But whats really interesting is that it shouldnt exist. The planet is called WASP-18b, because it was observed by a project called WASP, the Wide Area Search for Planets. It has 10 times the ma
Scientific American(八)月
Here are some great videos of how it would look if the moon were replaced by the planets in our solar system . In both videos the planets appear as if they were 240,000 miles from the earth . This is the average distance of the moon from earth . So,
轻松英文阅读
It used to be that finding even one new planet was enough to make an astronomer's career. 曾经即便是找到一颗新卫星都足以成就一名天文学家的事业。 Uranus was discovered in 1781 by William Herschel, who these days has, among o
经济学人科技系列
Rob: Hello! Im Rob and this is 6 Minute English. Im joined today byAlice. Hello Alice. Alice: Hi Rob. Rob: Today, were talking about alien life form and who on planet earth wouldaliens speak to if they one day made contact? Alice: Alien life form. Th
六分钟英语
This is Scientific Americans 60-Second Science. Im Steve Mirsky. This will just take a minute. Computer status report. After its ongoing Mars missions, NASA will concentrate less on the red planet, and more on the solar system's other planets and moo
Scientific American(三)月
This is Scientific Americans 60-Second Science. Im Steve Mirsky. got a minute? Earth-like planets have the potential to form around manyand perhaps mostof the nearest stars that are like our sun. Michael Meyer of the University of Arizona announced t
Scientific American(二)月
VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we tell about a system of planets orbiting a star called Fifty-Five Cancri. And we hear about a plan to harvest electricity from cro
VOA慢速英语2007年（十二）月
New Horizons Space Probe Gets Mission Extension The U.S. space agency has announced it is extending the mission of the New Horizons spacecraft. New Horizons is a spacecraft without a human crew. It was the first spacecraft to visit the dwarf planet P
2016年VOA慢速英语(七)月
EXPLORATIONS - How the Distant World of Eris Caused Big Changes Here on EarthBy Mario Ritter Broadcast: Wednesday, October 11, 2006 VOICE ONE: I'm Shirley Griffith. VOICE TWO: An artist's picture of E
2006年慢速英语（十）月
BEIJING, July 3 (Xinhuanet) -- The Atlantis mission to be launched by NASA on July 8 will not be an end to the space age, as some media suggest. Although it is the final mission of the space shuttle, it will open up the next chapter in the United Sta
英语新闻
Researchers who studied stars similar to the Sun found that almost one in four could have small, rocky planets just like the Earth。 For their research, scientists spent five years studying 166 Sun-like stars within 80 light year or 470 trillion mil
阅读空间
BEIJING, Oct. 18 (Xinhuanet) -- NASA recently unveiled its new rocket design, named Space Launch System (SLS), according to media reports. The rocket will make its first unmanned flight in 2017, and the flight with astronauts aboard won't happen unti
英语新闻
Are we alone in the universe? Its a question astronomers have pondered ever since we discovered Earth was not the only planet in the cosmos.我们是宇宙中唯一的智慧生命吗？自发现地球并非宇宙中唯一的星球以来，这个问题就
阅读空间
Altogether it is thoughtthough it is really only a guess, based on extrapolating from cratering rates on the Moon, 据认为──虽然只是根据月球上形成凹坑的速度所作的一种推测， that some two thousand asteroids big enough to
万物简史