In brief
NASA has confirmed that the 3,200‑pound Swift Observatory will re‑enter the atmosphere on Wednesday at about 3:30 a.m. Eastern Time. Most of the craft is expected to disintegrate, with minimal risk of debris reaching the ground. The telescope has exceeded its two‑year mission life by more than two decades, providing critical data on gamma‑ray bursts.
NASA’s Neil Gehrels Swift Observatory is expected to re‑enter Earth’s atmosphere Wednesday at about 3:30 a.m. Eastern Time, following nearly 22 years of operation, according to a Monday statement from NASA cited by Xinhua.
An earlier report from the U.S. Space Force on Monday projected the roughly 3,200‑pound spacecraft would enter the atmosphere at the same time, with an 11‑hour uncertainty window.
NASA said most of the craft should burn up as it passes through the atmosphere, but some components are anticipated to survive the descent.
Depending on the exact timing, any surviving debris could fall in an area between 20.6° S and 20.6° N, a zone that covers parts of the Caribbean and Atlantic, NASA estimated the risk of harm to be roughly one in 2,100.
Swift, launched in 2004, was designed as the first multi‑wavelength observatory to study gamma‑ray bursts and exceeded its original two‑year prime mission by more than two decades, becoming a key tool for rapid‑response astronomy and global alerts to other telescopes.
NASA had sought to extend Swift’s life through a commercial servicing spacecraft, but the mission was scaled back after the service craft ran low on fuel and experienced technical problems, and Swift’s science operations were officially ended on Oct. 23 as its orbit steadily decayed.
NASA’s official Swift blog also confirmed the re‑entry plan and outlined the limited risk of ground impacts, echoing Xinhua’s reporting.
