axial tilt

The Orbit of Earth. How Long is a Year on Earth?

Ever since the 16th century when Nicolaus Copernicus demonstrated that the Earth revolved around in the Sun, scientists have worked…

10 years ago

Milankovitch Cycle

Milankovitch cycles. Source: UCAR A Milankovitch cycle is a cyclical movement related to the Earth's orbit around the Sun. There…

15 years ago