空间望远镜
哈勃空间望远镜
Hubble Space Telescope
The optical/UV telescope launched in 1990.
At a glance
- Category
- 空间望远镜
- Started
- 1990
- Operator
- NASA/ESA
- Status
- 进行中
Key numbers
- 2.4 m aperture
- 540 km orbit
- about magnitude 1–2 in a pass.