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Episode 133: Next-Door Neighbor

Play Dec 6•4:25

A tiny galactic neighbor to the Milky Way, Canis Major Dwarf, was discovered in 2003. The galaxy, 25,000 light years away from our solar system, is being torn apart by the gravity of the Milky Way as it orbits our galaxy. It was detected because it has a large number of red giant stars, detectable by the Two Micron All Sky Survey, which views the sky in infrared. Two Micron All Sky Survey St...

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