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Episode
15:00
Crash Course Astronomy
Deep Time: Crash Course Astronomy #45
Our Universe’s days are numbered.
Season 1
Episode 45
Episode
12:21
Crash Course Astronomy
A Brief History of the Universe: Crash Course Astronomy #44
Thanks to the wonders of physics, we can map a timeline of the universe’s history.
Season 1
Episode 44
Episode
11:08
Crash Course Astronomy
Dark Energy, Cosmology part 2: Crash Course Astronomy #43
Most of the universe is made up of a mysterious entity that pervades space: dark energy.
Season 1
Episode 43
Episode
13:09
Crash Course Astronomy
The Big Bang, Cosmology part 1: Crash Course Astronomy #42
Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING!
Season 1
Episode 42
Episode
11:45
Crash Course Astronomy
Dark Matter: Crash Course Astronomy #41
Today on Crash Course Astronomy, Phil dives into some very dark matters.
Season 1
Episode 41
Episode
13:51
Crash Course Astronomy
Gamma-Ray Bursts: Crash Course Astronomy #40
The discovery of gamma-ray bursts is an epic story.
Season 1
Episode 40
Episode
15:20
Crash Course Astronomy
Galaxies, part 2: Crash Course Astronomy #39
Active galaxies pour out lots of energy.
Season 1
Episode 39
Episode
11:51
Crash Course Astronomy
Galaxies, part 1: Crash Course Astronomy #38
Galaxies contain gas, dust, and billions of stars or more.
Season 1
Episode 38
Episode
10:59
Crash Course Astronomy
The Milky Way: Crash Course Astronomy #37
Today we’re talking about our galactic neighborhood: The Milky Way.
Season 1
Episode 37
Episode
12:01
Crash Course Astronomy
Nebulae: Crash Course Astronomy #36
Astronomers study a lot of things, but nebulae might be the most beautiful of them all.
Season 1
Episode 36