SSS 2010-04-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

日本在遥远的小行星上部署了跳跃机器人

Japan Deploys Jumping Robots on Distant Asteroid Two small Japanese robots landed on a distant asteroid last weekend. The robots took small jumps, making it the first time that any device from our planet has moved on the surface of an asteroid. The t

AP 2011-07-25

1. For the first time in more than 30 years, there is no space shuttle in orbit or waiting to take off. The program ended today with the return of the shuttle Atlantis to Earth. NASA's long-term goal now is to send people to asteroids and to Mars. 2.

step by step 第四册 lesson 136

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经济学人: 开普勒 R.I.P (1)

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

SSS 2008-02-18

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

New Horizons Space Probe Gets Mission Extension

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

TED演讲:探索世界最深洞穴(8)

What then of manned space exploration? 那载人的空间探索呢？ The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result

经济学人117:太空时代的结束

Space exploration 太空探索 The end of the Space Age 太空时代的结束 Inner space is useful. Outer space is history 研究内太空才有用，让外太空研究成为历史 Jun 30th 2011 | from the print edition HOW big is the Earth? Any enc

小王子 第23期:打哈欠

He found himself in the neighborhood of the asteroids 325, 326, 327, 328, 329, and 330. 在附近的宇宙中，还有 325、326、327、328、329、330 等几颗小行星。 He began, therefore, by visiting them, in order to add to his knowledge. 他就

Atlantis opens next chapter, says NASA

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

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NASA announces design of new rocket

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

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Asteroid buzzes Earth harmlessly

BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory. The space rock, called asteroid 2011 MD, is the second space rock to zip e

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万物简史 第274期:砰!(9)

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 第272期:砰!(7)

By the early 1900s, it had often become impossible to know whether an asteroid that popped into view was new 到20世纪初，往往分不清哪颗小行星是刚刚出现的， or simply one that had been noted earlier and then lost track of. 哪颗小

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The moon was an ancient, fossilised world. 月球是个古老的化石世界 Its rocks hadn't changed for billions of years. 它的岩石数十亿年来没有改变 Scientists were thrilled. 科学家喜出望外 Basically the surface of the moon kin