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Binary and Multiple Stars: Crash Course Astronomy #34

Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.

Binary and Multiple Stars: Crash Course Astronomy #34

Season 1 Episode 34 | 11m 46s

Double stars are stars that appear to be near each other in the sky, but if they’re gravitationally bound together we call them binary stars. Many stars are actually part of binary or multiple systems. In some close binaries matter can flow from one star to the other, changing the way it ages.

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