Australia's Using Pop Radio to Track Space Junk

Australia's Using Pop Radio to Track Space Junk

Nov 30th 2013, 23:00, by Robert Sorokanich

Space junk is a serious problem: it threatens satellites and spacecraft, and can plummet unpredictably to earth. Australia's Murchison Widefield Array is a high-sensitivity radio telescope that tracks space debris as small as 1 meter across, by observing how the objects reflect FM signals from Australian radio stations. It's listening to pop music from space.
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