To achieve its crucial scientific objectives, ESA’s ‘Gravity field and steady-state Ocean Circulation Explorer’, or GOCE, satellite must orbit as low as possible, in order to sense minute variations in the Earth’s gravitational field – at the edge of space and the limits of the atmosphere at only 268 km!
ESA Euronews: Gravity’s grip on Earth
ESA Euronews: A satellite revolution in oceanography
Sentinel-3: a workhorse mission for Copernicus
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