下一个

The Milky Way: Crash Course Astronomy #37

1,211 观看· 10/24/23
CrashCourse
CrashCourse
2,185 订户
2,185
Life

Today we’re talking about our galactic neighborhood: The Milky Way. It’s a disk galaxy, a collection of dust, gas, and hundreds of billions of stars, with the Sun located about halfway...

显示更多

 0 评论 sort   排序方式


下一个