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发帖数: 1285 | 1 Explanation: Why put observatories in space? Most telescopes are on the ground.
On the ground, you can deploy a heavier telescope and fix it more easily.
The trouble is that Earth-bound telescopes must look through the Earth's
atmosphere. First, the Earth's atmosphere blocks out a broad range of the
electromagnetic spectrum, allowing a narrow band of visible light to reach
the surface. Telescopes which explore the Universe using light beyond the
visible spectrum, such as those onboard the Chandr |
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