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Crash Course Astronomy
Binary and Multiple Stars: Crash Course Astronomy #34
Season 1
Episode 34
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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12:11
Stellar mass black holes form when a very massive star dies, and its core collapses.

12:42
In the aftermath of a some stars we find a weird little object known as a neutron star.

12:02
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11:09
What comes next after the death of a low mass star? A white dwarf.

12:02
Today we are talking about the life -- and death -- of stars.

11:05
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11:49
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10:40
Phil explains stars and how they can be categorized using their spectra.

11:20
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10:33
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11:21
What the difference between a meteor, meteorite, and meteoroid?

11:40
We're heading to the outskirts of the solar system.