Great Heroes and Discoveries of Astronomy

The Heroic Discovery of Other Galaxies

Documentary Jun 23, 2022 25 min The Great Courses Signature Collection

Available on Prime Video, The Great Courses Signature Collection

S1 E4: How did Henrietta Swan Leavitt, the prolific discoverer of variable stars, make sense of “Cepheid variables”? How did she calculate the relationship between their periods and their true luminosities? How did Edwin Hubble use Leavitt’s work (known as the Leavitt law) to measure the distance to the Great Andromeda Nebula in the 1920s?

Documentary Jun 23, 2022 25 min The Great Courses Signature Collection

TV-PG

Information

Released: 2022
Run Time: 25 min
Rated: TV-PG

Languages

Original Audio: English
Audio: English (AAC), English (United States)
Subtitles: English (CC)

Accessibility

: Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.