Every six months, the equinox splits Earth’s day almost in half. Here’s how it happens—and why people have celebrated it since ancient times.
— Read on www.nationalgeographic.com/science/article/equinoxes
Every six months, the equinox splits Earth’s day almost in half. Here’s how it happens—and why people have celebrated it since ancient times.
— Read on www.nationalgeographic.com/science/article/equinoxes