Gamma-Ray Spectrometer is an instrument to measure the distribution of gamma radiation. The Study and analysis of gamma-ray spectra is called as Gamma-Ray Spectroscopy. This spectrometer used in spacecrafts to observe and collect data by measuring the energy of each photon. Electromagnetic radiation is directly proportional to its frequency. Hence photons are counted typically by this spectrometer.
NOTABLE SPACECRAFT FOR THIS PAYLOAD:
- Messenger
- Apollo 16
- 2001 Mars Odyssey
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