Is Earth a sphere?
Because the planet rotates and is more flexible than you might imagine, it bulges at the midsection, creating a sort of pumpkin shape. The bulge was lessening for centuries but now, suddenly, it is growing. Accelerated melting of Earth's glaciers is taking the blame for the gain in equatorial girth.
Because the planet rotates and is more flexible than you might imagine, it bulges at the midsection, creating a sort of pumpkin shape. The bulge was lessening for centuries but now, suddenly, it is growing. Accelerated melting of Earth's glaciers is taking the blame for the gain in equatorial girth.