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Definition

GEVS

NASA's General Environmental Verification Standard (GSFC-STD-7000) defining environmental test levels and procedures for spacecraft hardware. Widely used as a default baseline.

Related terms

Geostationary OrbitGEO

A circular orbit at approximately 35,786 km altitude with zero inclination and an orbital period matching Earth's rotati...

Ground Segment

The collection of ground-based systems that support a space mission, including ground stations, mission control centers,...

G/T

A receive system figure of merit equal to antenna gain divided by system noise temperature. Larger G/T means better rece...

Galactic Cosmic RaysGCR

High-energy charged particles originating from outside the solar system. The dominant contributor to deep-space radiatio...

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