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About Mars

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青出于蓝--- About Mars Mars is a bit smaller than the Earth,it's semidiameter is 53%of that of the Earth,and it's volume is Earth's15%,the mass is 11% and the superficial gravity is 38%.There are thin air surrounding the Mars, 95% of them is carbon dioxide and 3% is nitrogen ,the atmospheric density is about 1%
查看全文 )     07-24

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Much extrasolar water was found, total quantity is much more than the Earth's (a picture)

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青出于蓝--- A large amount of water vapour was found outside the solar system, total water quantity is much more than the Earth's (the picture below).This time, large quantity of water molecules were dicovered around two young fixed stars.Astronomers say that the two stars' names are respectively AS 205A (which is 391 light-years away from the Earth) and DR Tau (which is 457 light-years away from the Earth). ...
查看全文 )     2008

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THE SRONGEST EXPLOSION EXPLORED BY Swift space telescope

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青出于蓝--- “Swift space telescope” had explored a γ-ray explosion of GRB 080319B.Explosion of γ-ray is quite a common phenomenon inthe universe.The scientists consider that such astronomy phenomenon is coursed by the fusion of  neutron stars  or the collapes of big stars.But the γ-ray coursed by the latter lasts much longer than the former.This super strong γ-ray explosine,numbered as GRB 080319B,was caught ...
查看全文 )     2008

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The Sun's Bounce Every 40 Million Years Leads The Comets To Bombard The Earth

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青出于蓝--- Reported by American Aeronautics and Space website, a latest study shows that the sun bounces every 40 million years when it ranges through the Milky Way Galaxy, which would make a lot of comets rush to the interior of the solar system and bombard the planets like the earth. And such comet collisions resulted in the extinction of abundant ancient species including the dinosaurs. The scientists gue...
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Here Comes the World's First Green Car

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青出于蓝--- Green sports car Life Car Green sports car Life Car Green sports car Life Car Green sports car Life Car Sina Technology – March 5. According to foreign media reports, a ‘zero emission’ high speed sports car was showcased at the Geneva Motor Show, Switzerland. This model introduced by a British car company, Morgan Motor, is the first green sports car in the world. It is named ‘Life car’. It can rea...
查看全文 )     2008