Australasian Science: Australia's authority on science since 1938

The Orbital Junkyard

Space junk

New technology can warn whether a piece of junk poses a threat to a spacecraft, and if so in which direction the craft should move.

By Stephen Luntz

Satellites are under threat from about 500,000 pieces of space junk, but new Australian technology can now track the orbit of debris as small as 1 cm to within 1 metre.

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