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Science and Nature

Crash Course Astronomy

Mercury: Crash Course Astronomy #13

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

Mercury: Crash Course Astronomy #13

Season 1 Episode 13 | 10m 17s

Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface.

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Crash Course Astronomy

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Life in the Universe: Crash Course Astronomy #46

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

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The Oort Cloud: Crash Course Astronomy #22

We're heading to the outskirts of the solar system.

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Meteors: Crash Course Astronomy #23

What the difference between a meteor, meteorite, and meteoroid?

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