Earth's Hidden Wonders: 5 Secrets Revealed

Earth's inner core is hotter than the sun's surface at over 5,700 degrees Celsius.

Earth is an oblate spheroid, not a perfect sphere, slightly flattened at the poles.

Earth's magnetic field results from molten iron movement in the outer core, shielding us from solar radiation.

Earth's rotation gradually slows, lengthening days by 1.7 milliseconds per century.

A hidden underground ecosystem thrives beneath Earth's surface, housing unique life forms adapted to extreme conditions.