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This edition: Our Galaxy: The Milky Way

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Episode Details

In 1609, Galileo opened our eyes to the heliocentric solar system and opened the door on a vast and dynamic universe. During the following 400 years, astronomers mapped the cloud of stars that appeared to be the extent of our cosmic home until Edwin Hubble, a young lawyer-turned-astronomer, revealed that our Milky Way galaxy is only one of the more than 100 billion galaxies that fill our universe. Astronomers from the University of Hawaii Institute of Astronomy, as well as other notable researchers, explain the composition and structure of our galaxy and the theory of its formation.