What Goes Up Must Come Down
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Yesterday morning China’s 8.5 tonne Tiangong 1 space station entered Earth’s atmosphere, before crash landing in the South pacific Ocean. With space debris such as asteroids and comets already considered a menace to our planet, are our own spacecrafts and satellites also posing as threats?
Associate Professor John O’Byrne, astronomer in the Sydney Institute for Astronomy spoke to Tess Connery.