NASA’s Neil Gehrels Swift Observatory has officially reached the end of its remarkable journey. After nearly 22 years in space—vastly outliving its original two-year mission profile—the spacecraft made an uncontrolled re-entry into Earth’s atmosphere, disintegrating over the Indonesian island of Sumatra.
The Failed Link Rescue Mission
Earlier this year, when scientists realized that atmospheric drag driven by intense solar activity was pulling the observatory down, NASA launched the Link mission in a desperate bid to rescue it. The plan was to attach to the telescope and push it into a stable orbit. Unfortunately, severe propulsion and reaction wheel failures crippled the rescue spacecraft, leaving ground teams with no other choice.
A Legacy Celebrated Without Incident
Weighing 1,450 kilograms and roughly the size of a minibus, the telescope largely burned up during its fiery descent. While the U.S. Space Force tracked its re-entry over Sumatra, no official reports of damage or casualties have been confirmed. Swift leaves behind an invaluable scientific legacy, particularly in tracking gamma-ray bursts.