Swiss to launch space junk cleaning device

Switzerland is well known for being a tidy nation, but now Swiss scientists are using this national instinct to help design a special satellite to scoop up space junk orbiting Earth.

Nasa says more than half a million pieces of spent rocket parts, broken satellites and other pieces of debris are orbiting Earth and some satellites have been damaged or destroyed after colliding with space junk.

Imogen Foulkes reports.

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