简介：they are remnants from the early solar system. and if one hits earth, it could spell the end of human civilisation

原站：http://www.newscientist.com/.../solar-system/comets-asteroids

指数：

“New Scientist Space - Comets and Asteroids”的内容更新

累计：118 篇（自 2007-04-28 起）

更新：约2篇/月，最后更新1212 天前

New Scientist Space - Comets and Asteroids

Mars craters might be scars from fallen moon

An unusual pair of craters formed when a moon broke apart and crashed into the Martian surface, new calculations suggest ... (316 天前)

http://inezha.com/w/ctjupq7

New Scientist Space - Comets and Asteroids

Jupiter produced greatest pounding in Earth's histor

Four billion years ago, the hefty planet kicked many comets and asteroids out towards interstellar space – but then they came back... ... (316 天前)

http://inezha.com/w/12unscy

New Scientist Space - Comets and Asteroids

Space rock collides with Earth right on time

The first meteoroid to be spotted on a course to hit us strikes the atmosphere exactly as predicted, creating a dramatic fireball ... (316 天前)

http://inezha.com/w/p123fc8

New Scientist Space - Comets and Asteroids

Space rock found on collision course with Earth

For the first time, astronomers have found an object on a certain collision course with Earth – fortunately, it is too small to cause damage ... (316 天前)

http://inezha.com/w/3djlkce

New Scientist Space - Comets and Asteroids

UN urged to coordinate killer asteroid defences

A group of astronauts and space experts says the UN should assume responsibility for monitoring and reacting to catastrophic impact threats... (316 天前)

http://inezha.com/w/6fu44cj

New Scientist Space - Comets and Asteroids

Rosetta probe flies by 'diamond in the sky'

The comet-chasing craft flew by asteroid Steins, revealing its diamond shape - but a glitch prevented it from taking high-resolution images ... (316 天前)

http://inezha.com/w/f72zvcv

New Scientist Space - Comets and Asteroids

Rosetta probe flies by old 'diamond in the sky'

The comet-chasing craft flew by asteroid Steins, revealing its diamond shape - but a glitch prevented it from taking high-resolution images... (316 天前)

http://inezha.com/w/acj9pca

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