Tag Archives: space

Astronomy Picture of the Day

Oktober 13th, 2017

shows daily (back to June 16 1995) a different image or photograph of the universe along with a brief explanation written by a professional astronomer.

Why Doesn’t the Moon Fall Down?

Oktober 13th, 2017

In this animated video segment adapted from NASA, astronomer Doris Daou explains how the forces of speed and gravity keep the Moon in a constant orbit around Earth.