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. Swift conducted its final observation on Oct. 20. It is expected to […]
Category:
Galaxies, Stars, & Black Holes, Gamma-Ray Bursts, Goddard Space Flight Center, Neil Gehrels Swift Observatory, Stars, The Universe, Ultraviolet Light, X-ray Astronomy, X-ray Binaries
Posted on
October 24, 2026
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