In this program, you will learn about the history of the telescope, the modern-day telescope, and how telescopes work. Topics include: refracting telescopes, large telescopes, the job of modern-day telescopes, the Milky Way, black holes, and the beginning of the Universe.

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

Refractory Telescopes (3:47); --Reflecting Telescopes (2:37); -- Large Telescopes (3:02); -- Summary (2:09); -- Credits: How Do Telescopes Work? (0:40); .