• Science
• B1

Understanding the Equinox

An equinox happens twice a year, in March and September. This event occurs when the middle of the Sun moves across the level of the Earth's equator. The equator is an imaginary line drawn around the middle of the Earth. During an equinox, the Sun illuminates the Northern and Southern Hemispheres equally. It lights up the North Pole and the…

Rewritten with AI from facts reported by NASA. Read the original for the full report.