George's Random Astronomical Object
Object 30: Measure the Correct Distance and Win a Prize
- Autor: Vários
- Narrador: Vários
- Editor: Podcast
- Duración: 0:13:13
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Sinopsis
NGC 3621 is one of a few galaxies where its distance has been measured with high accuracy using Cepheids and other stars with known brightness, thus making it very important for measuring the expansion of the universe.
