Back to Show
Crash Course Astronomy
Uranus & Neptune: Crash Course Astronomy #19
Season 1
Episode 19
Today we're rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird rotation and relatively dull weather, while Neptune has clouds and storms whipped by tremendous winds.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

9:57
Phil takes a look at the explosive history of our cosmic backyard.

9:46
What is the relationship between tides and gravity?

9:41
Phil looks at how gravity plays out across the universe.

11:59
Today Phil explains how telescopes work

10:10
"But what about eclipses!?"

9:45
Phil takes you through the cause and name of the Moon's phases.

9:28
Take a look at the cyclical phenomena that we can see at work in the universe.

11:16
Take a look at all the incredible things you can see with your naked eye.

12:11
Get to know host Phil Plait and begin with answering a simple question: what is astronomy?