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Crash Course Astronomy

A Brief History of the Universe: Crash Course Astronomy #44

Season 1 Episode 44

Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when the Universe was incredibly dense and hot.

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In the aftermath of a some stars we find a weird little object known as a neutron star.
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Low Mass Stars: Crash Course Astronomy #29
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Today we are talking about the life -- and death -- of stars.
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Brown dwarfs have a mass that places them between giant planets and small stars.
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There are many other planets outside of our own solar system, but finding them is tricky.
Stars: Crash Course Astronomy #26
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Phil explains stars and how they can be categorized using their spectra.
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In order to understand more of universe, we need to talk a little bit about light.
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