1990年,第一台天基光学望远镜——哈勃太空望远镜——成功发射,拍摄了最深的、最精细的宇宙可见光景象。
In 1990, the first space-based optical telescope, the Hubble space telescope, was launched, providing the deepest, most detailed visible-light view of the universe.
该地区以其壮观的地理环境和自然美景而出名,拥有北部针叶林、大草原和北极光景象。
The region is characterized by its spectacular geography and natural beauty including the Boreal Forest, the Prairies and the Northern Lights.
该地区以其壮观的地理环境和自然美景而出名,拥有北部针叶林、大草原和北极光景象。
The region is characterized by its spectacular geography and natural beauty including the Boreal Forest, the Prairies and the Northern Lights.
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