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Science and Nature

Crash Course Astronomy

The Oort Cloud: Crash Course Astronomy #22

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

The Oort Cloud: Crash Course Astronomy #22

Season 1 Episode 22 | 11m 40s

Now that we're done with the planets, asteroid belt, and comets, we're heading to the outskirts of the solar system. Out past Neptune are vast reservoirs of icy bodies that can become comets if they get poked into the inner solar system.

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Crash Course Astronomy

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Phil gives the course a send off with a look at some of his favorite topics.

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Light: Crash Course Astronomy #24

In order to understand more of universe, we need to talk a little bit about light.

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