Episode

Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 11
Science & Medicine 32

Astronomy Cast brings you a weekly fact-based journey through the cosmos.

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Ep. 283: Stellar Motion

December 3rd, 2012

Episode 317 of 465 episodes

Our Universe appears timeless and unchanging, the stars taking their nightly flight across the sky. But over long periods of time, you realize that our local region, and even the entire Milky Way is in constant motion. The constellations we see today would be very different millions or even thousands of years ago. Today we'll discuss stellar motion, how astronomers detect it and how it's useful.

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