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Crash Course Astronomy
Brown Dwarfs: Crash Course Astronomy #28
Season 1
Episode 28
While Jupiter is nowhere near massive enough to initiate fusion in its core, there are even more massive objects out there that fall just short of that achievement as well called brown dwarfs. Brown dwarfs, have a mass that places them between giant planets and small stars.
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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.
12:21
Thanks to the wonders of physics, we can map a timeline of the universe’s history.
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?