[ORGANIZATION]
Northrop Grumman Pegasus XL rocket
Featured in 1 tracked story · first seen
Situations
Swift Observatory Mission Ends Amid Orbital Decay
41 clusters · 269 sources · last updated
Latest: NASA Swift telescope to undergo uncontrolled re-entry
NASA’s Neil Gehrels Swift Observatory officially concluded its 22-year scientific mission on 20 October 2026. The observatory ceased observations as its orbit decayed to less than 275 kilometers, where atmospheric drag—a