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NASA’s Swift Telescope Set to Burn Up on Earth Re‑entry by End‑October

Reported by Rituparna Sen (Section Editor) · The Hindu - Science ·

Verified — Confirmed by a second source: Google News - USA Science

Confirmed by a second source: Google News - USA Science

Important
Science & EnvironmentNASA’s Swift Telescope Set to Burn Up on Earth Re‑entry by End‑October

NASA’s 1.5‑ton Swift Observatory is expected to plunge back to Earth and mostly burn up on Friday, Oct 30, 2026. The U.S. Space Force says the re‑entry will occur around that date and is tracking the telescope’s descending path. Most of the satellite will vaporize, but a few tungsten components and some mirror pieces dense enough to survive may reach the surface. The debris could fall into the ocean, though the re‑entry corridor stretches over parts of Africa, Australia, India, Southeast Asia and Central and South America. Swift was launched on Nov 20 2004 to chase gamma‑ray bursts and supernovas and has logged more than 2,000 burst detections and 1,400 exploding stars, along with many comets, asteroids and black‑hole events. Intense solar activity in recent years hastened its orbital decay, prompting NASA to contract Katalyst Space for a rescue. Katalyst’s three‑armed robot Link reached within 7–9 miles (12–15 km) of the telescope after a July launch but lost contact and fell back to Earth in September. After the rescue was abandoned, Swift resumed observations and added more high‑energy detections before its systems were shut down in late October. Pennsylvania State University astronomer John Nousek, who led the control team, said the end was expected and described it as catastrophic. NASA regarded Swift as a first‑responder for the Hubble and Webb telescopes, and scientists are now looking for ways to replace its rapid‑response capability.

Context

Swift’s ability to turn quickly toward sudden cosmic explosions made it a unique alert system for larger space telescopes, a role that will need a new design after its retirement.

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