Up Next
Back to Show
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.
Support Provided By
11:09
Phil gives the course a send off with a look at some of his favorite topics.
15:00
Our Universe’s days are numbered.
11:08
Most of the universe is made up of a mysterious entity that pervades space: dark energy.
13:09
Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING!
11:45
Today on Crash Course Astronomy, Phil dives into some very dark matters.
13:51
The discovery of gamma-ray bursts is an epic story.
15:20
Active galaxies pour out lots of energy.
11:51
Galaxies contain gas, dust, and billions of stars or more.
10:59
Today we’re talking about our galactic neighborhood: The Milky Way.
12:01
Astronomers study a lot of things, but nebulae might be the most beautiful of them all.
10:21
Last week we covered multiple star systems, but what if we added thousands to the mix?
11:46
Binary stars are gravitationally bound together in the same system.