| A BAE systems technician inspecting the fully assembled Carruthers Geocorona Observatory | |
| Mission type | Space telescope |
|---|---|
| Operator | NASA |
| Website | https://science.nasa.gov/mission/carruthers-geocorona-observatory/ |
| Start of mission | |
| Launch date | 24 September 24 2025, 11:30 UTC |
| Rocket | Falcon 9 Block 5 |
| Launch site | Kennedy, LC-39A |
| Contractor | SpaceX |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | L1 |
The Carruthers Geocorona Observatory, previously called Global Lyman-alpha Imagers of the Dynamic Exosphere (GLIDE), is a NASA mission led by the University of Illinois, which will survey ultraviolet light emitted by Earth's outermost atmospheric layer, the exosphere, and geocorona. [1] [2]
The mission name was given to honour George R. Carruthers, a pioneer American space physicist, engineer, and inventor. He is widely recognised for his groundbreaking contributions to ultraviolet astronomy. His most famous invention was the Far Ultraviolet Camera/Spectrograph, [3] a compact but powerful telescope that was placed by the astronauts of Apollo 16 on the Moon in 1972. [4]
Carruthers Geocorona Observatory was launched as a secondary payload on the SpaceX Falcon 9 launch vehicle carrying NASA's Interstellar Mapping and Acceleration Probe (IMAP) spacecraft, together with NOAA's SWFO-L1, on 24 September 2025. [5] [6] [7]