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Crash Course Astronomy
Meteors: Crash Course Astronomy #23
Season 1
Episode 23
Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower. Meteors burn up about 100 km above the Earth, but some survive to hit the ground.
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11:46
Binary stars are gravitationally bound together in the same system.
12:11
Stellar mass black holes form when a very massive star dies, and its core collapses.
12:42
In the aftermath of a some stars we find a weird little object known as a neutron star.
12:02
Massive stars fuse heavier elements in their cores than lower mass stars.
11:09
What comes next after the death of a low mass star? A white dwarf.
12:02
Today we are talking about the life -- and death -- of stars.
11:05
Brown dwarfs have a mass that places them between giant planets and small stars.
11:49
There are many other planets outside of our own solar system, but finding them is tricky.
10:40
Phil explains stars and how they can be categorized using their spectra.
11:20
How do astronomers make sense out of the vastness of space?
10:33
In order to understand more of universe, we need to talk a little bit about light.
11:40
We're heading to the outskirts of the solar system.