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Fermi
ActiveNASA
Image: NASA · Public domain · Wikimedia Commons
- Launched
- 11 Jun 200816:05:01 UTC
- Active for
- 18 years 5 months
A NASA observatory that surveys the whole sky in gamma rays every three hours, studying pulsars, black-hole jets and gamma-ray bursts.
Milestones
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Launch11 Jun 2008Sky survey begins26 Jun 2008
Spacecraft
Satellite carrying the Large Area Telescope and a burst monitor that watches the entire unblocked sky.
- Launch mass
- 4,277 kg
- Dry mass
- 3,919 kg
- Size
- 2.8 m × 2.5 m
- Power
- Solar
- Designator
- 2008-029A
Mission details from science.nasa.gov.
