Junk alert

debris1.jpgProfessor Thomas Schildknecht of Bern University’s Astronomical Institute talks to swissinfo about monitoring the heavens in a bid to resolve the growing space junk problem. There are thought to be more than 600,000 pieces of rubbish of one centimetre or bigger orbiting the planet. While so far, nobody has been killed by flying space debris as it re-enters the atmosphere, there have been a few close calls in years gone by, and a few concerns with objects such as Skylab and Mir as well as nuclear waste.

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