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Crash Course Astronomy - Season 1 Episode 38
The Milky Way is our neighborhood in the universe. It’s a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of stars or more. They come in four main shapes: elliptical, spiral, peculiar, and irregular. Galaxies can collide, and grow in size by eating each other.
- Năm: 2015
- Quốc gia:
- Thể loại: Documentary
- Studio: YouTube
- Từ khóa: astronomy
- Giám đốc:
- Diễn viên: Phil Plait