July 15th, 2008
Podcast: Galaxies
Written by Astronomy Cast
Whirlpool Galaxy. Image credit: Hubble
This week we're going to look at some of the biggest objects in the Universe: galaxies. It was the discovery of galaxies in the early 20th century that helped astronomers realize just how big the Universe is, and how far away everything is. Let's learn how galaxies formed and how they evolve and change over time, merging with the neighbors. And what the future holds.
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Galaxies – Show notes and transcript
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