Neil Gehrels Swift Observatory, previously called the Swift Gamma-Ray Burst Explorer, is a NASA three-instrument space observatory for studying gamma-ray bursts and monitoring the afterglow in X-ray a
Diagram of Burst Alert Telescope
Swift before launch
UVOT's "first light" image
A model of the satellite
Swift boost mission
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The Swift boost mission is a robotic on-orbit satellite servicing mission that was intended to boost the orbit and extend the lifetime of the Neil Gehrels Swift Observatory, which is anticipated to un
Neil Gehrels Swift Observatory
…in the previous two years, because an increase in solar activity had expanded the Earth's atmosphere enough to slow Swift due to atmospheric drag. A mission to raise Swift to a higher orbit to prevent it from falling to Earth was launched on 3 July 2026. However, NASA announced on 19 August that the mission was unsuccessful…
LINK being prepared for thermal vacuum testing
Pegasus XL rocket mated under Stargazer for Swift boost mission
Artist impression of the LINK spacecraft (center) with Swift captured
Earth From the Perspective of Artemis II