1 Temporada
46 Episodio
Crash Course Astronomy - Season 1 Episode 23 Episodio 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. Most of these meteorites are rocky, some are metallic, and a few are a mix of the two. Very big meteorites can be a very big problem, but there are plans in the works to prevent us from going the way of the dinosaurs.
- Año : 2015
- País :
- Género : Documentary
- Estudio : YouTube
- Palabra clave : astronomy
- Director :
- Emitir : Phil Plait
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