Space junk returning to the Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found. Published today in the journal Communications Earth ...
Watch how the atmospheric re-entry of one of SpaceX's Falcon Heavy's fairings, reported to be traveling at more than 15 times the speed of sound. Credit: SpaceX | Mash mix by Space.com's Steve Spaleta ...
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