CUNY TV logo


This edition: Galaxies

Online media for this show is not available on our website.

Episode Details

Dr. Steve Beckwith, Dr. Brent Tully, and other galactic experts explain how astronomers in the 20th century defined the expanse of the universe with the ability to measure the vast distances to galaxies using various distant indicators. The lesson includes the classification of galaxies, their evolution, and interaction with other galaxies.