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![Outer space - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_15.jpeg)
Outer space - Wikipedia, the free encyclopedia
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日期:2024-07-24
Outer space, or simply space, is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles: predominantly a plasma ......看更多