Compton Gamma-Ray Observatory
Located in low Earth orbit, approximately 280 miles (450 kilometers) above the surface.
- Launch date
- April 5, 1991
- Launched by
- Space Shuttle Atlantis (STS-37)
- Launch location
- John F. Kennedy Space Center in Cape Canaveral, FL
- Mission duration
- 9 years, deorbited June 9, 2000
- Light observed
- Gamma ray
- Website
- CGRO's homepage