NASA’s Swift Mission Ends, Leaves Behind Scientific Bonanza

October 23, 2026 · 9:51 pm 1 sources

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• NASA’s Swift Mission Ends, Leaves Behind Scientific Bonanza
  NASA · October 23, 2026 21:51
  NASA’s Neil Gehrels Swift Observatory has ended its science mission now that the spacecraft is orbiting less than 171 miles (275 kilometers) above Earth’s surface. The greater atmospheric drag at this height prevents the satellite’s telescopes from steadily gazing at their astronomical targets.…