What Does GEOS Stand For?

GEOS has more than one possible meaning :

• GEOS - General Earthquake Observation System
• GEOS - Geostationary Earth Orbiting Satellite
• GEOS - Goddard Earth Observing System
• GEOS - Graphical Environment Operating System

If you know of another acronym for GEOS, please suggest it as a new acronym for GEOS.