Glossary
- GEC (search)
Geospace Electrodynamic Connections
- GEO (search)
Geostationary orbit
- GEOSS (search)
Global Earth Observation System of Systems
- GIS (search)
geographic information systems
- GLAST (search)
Gamma-ray Large Area Space Telescope
- GN (search)
Ground Network
- GPM (search)
Global Precipitation Measurement
- GPS (search)
global positioning system
- GSRP (search)
Graduate Student Researchers Program
- Geoid (search)
- The surface within or around the earth that is everywhere perpendicular to the direction of gravity and coincides with mean sea level in the oceans at rest. Sea level of a moving ocean has topography, the topography that is measured by altimeter satellites to observe ocean currents.
-
Variants
- geoid (search)
- Gyre (search)
- A great, circular motion of water in each of the major ocean basins centered on subtropical high-pressure region, with circulation clockwise in the northern hemisphere and counterclockwise in the southern hemisphere.
-
Variants
- gyre (search)
- galactic (search)
- Having to do with the galaxy. A galaxy is one of billions of large systems of stars and gas, held together by gravity, that make up the universe.
-
Variants
- Galactic (search)
- gamma rays (search)
- A high energy photon, especially as emitted by a nucleus in a transition between two energy levels.
- Variants
- geospace (search)
- The area of space surrounding the Earth but outside of the Earth's atmosphere - influenced by the particles and fields coming from the Sun.
-
Variants
- Geospace (search)