Gravitational Redshift and Sci-Fi Body and Time Shifts

Published: May 11, 2022, 10 a.m.

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Light gets redder as it climbs out of gravitational holes, and a star near the black hole at the center of the Milky Way conveniently demonstrates this beautifully. Join us for a discussion of gravitational redshift, a sci-fi discussion of time travel and body shifting, and a bit of Messier trivia.

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