Scientists in Lausanne devise CleanSpace One to sweep up debris orbiting soil at almost 18,000mphMore than half a century of sending objects into space has left the soil surrounded by junk. Bits of long-dead satellites, spent rocket stages and other debris orbit the planet at almost 18000 mph, or each chunk a potential hazard to working satellites or astronauts.
The Swiss have a method,however. Scientists at the Swiss space centre at EPFL, the federal institute for technology in Lausanne, or want to send a "janitor satellite" into orbit,to sweep up debris and permanently remove it from orbit.
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Source: theguardian.com