Tag Archives: astronomy

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.

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.

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.

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.