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8 小时
NASA's global defence system detects asteroid heading for Earth's atmosphere today
NASA’s Asteroid Terrestrial-impact Last Alert System found the asteroid, with the European Space Agency projecting where ...
10 天
NASA spotted a very young planet. It could become a super-Earth.
Over many millions of years, NASA suspects the young world could mature into either of the most common planets found in our ...
5 天
on MSN
NASA discovers baby planet that could become a super-Earth
Barber of the University of North Carolina at Chapel Hill, published their findings on the new planet in the journal Nature ...
Science News
11 天
Satellite space junk might wreak havoc on the stratosphere
Hundreds of defunct satellites plunge toward Earth every year. Scientists are studying how the chemical stew left in their wake impacts the atmosphere.
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