科学与环境
Autonomous rendezvous system overcomes simulated spacecraft failures in lab tests
来源: Phys.org - latest science and technology news stories · 发布于
There is a problem in low Earth orbit, and it's growing. According to the European Space Agency, there are about 19,440 satellites on orbit, 3,540 of which are nonfunctioning and/or not emitting a signal to warn other spacecraft of their location. The need to service these sleepw
There is a problem in low Earth orbit, and it's growing. According to the European Space Agency, there are about 19,440 satellites on orbit, 3,540 of which are nonfunctioning and/or not emitting a signal to warn other spacecraft of their location. The need to service these sleepwalking satellites in space will only increase as more are launched.
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BBC Inside Science
A Japanese spacecraft could become the first ever to bring Martian samples back to Earth.
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