Space
NASA puzzles over ‘invisible’ moon impact
A NASA spacecraft has created a pair of craters on the lunar surface – but so far no plume of ejected material has been seen
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A NASA spacecraft has created a pair of craters on the lunar surface – but so far no plume of ejected material has been seen
Mars's distinctive colour may be the result of thousands of years of wind-borne sand particles colliding with one another, a new study argues