
NASA’s gravity map paints Earth as a potato-shaped geoid, not a real sphere
NASA's high-precision geoid map reveals subtle gravity highs and lows across Earth; the potato-like visualization is a magnified representation and does not show the planet's actual shape. The geoid model improves GPS accuracy, sea-level monitoring, and understanding Earth's interior, built from GOCE and GRACE data over 15 years, with notable gravity highs near Iceland and lows south of India.













