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Episode 399: The Milky Way's Cosmic Halo

Play Jun 14•4:30

New research helps better determine the age of the outer realms of our Milky Way Galaxy. The Milky Way is surrounded by a halo now determined to be about 11.4 billion years old. These new findings help us better understand how galaxies evolve. Cosmos on the discovery Imagine the Universe on white dwarf stars.

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