Instrument
MESSENGER Gamma-Ray & Neutron Spectrometer
MESSENGER's spectrometer, which measured the elemental composition of Mercury's surface and helped confirm water ice in its permanently shadowed polar craters.
Flown on
Knowledge connections
- Member of groupGamma-Ray & Neutron Spectrometer
- Instrument onMESSENGER
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.