Swiss scientists have announced plans to develop a vacuum cleaner for outer space.
Researchers at the Federal Institute of Technology in Lausanne hope their CleanSpaceOne satellite will be able to start hoovering up debris within the next four years.
Two versions are being considered for the first prototype. One is a machine that scoops up debris and then burns itself up. The second is a model that retrieves the debris before ejecting it into the atmosphere.
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