Artificial satellites-as distinguished from natural satellites, such as the Moon-are machines that continuously circle the Earth. Learn about the launching of artificial satellites and their history, types, and use in astronomy. This program will also cover what satellites are made to do, including measuring temperatures, detecting radiation, transmitting information, and photographing the universe.

Originally released by Cerebellum Corporation, 2013. Streaming video file encoded with permission for digital streaming by Infobase on July 10, 2018.

Launchings (2:01); --History (1:11); -- Different Kinds of Satellites (4:19); -- The Space Telescope (1:11); -- Summary (1:30); -- Credits: Satellites (0:47); .