A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.

A spacecraft was sent into orbit on Friday to rescue the Swift Observatory in a daring first-of-its-kind endeavour.

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Massive satellite surge: ESO warns that planned mega-constellations totalling 1.7 million satellites would severely impact astronomy, far exceeding the safe limit of 100,000 faint satellites.