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cubefox
on May 9, 2023
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James Webb Space Telescope reveals Fomalhaut's dis...
I always thought L2 was chosen for Earth to cover up the sun. But apparently Earth covers it only to 84%.
https://www.quora.com/Is-the-L2-point-of-Earth-in-a-permanen...
Tuna-Fish
on May 9, 2023
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Because the JWST is not at the L2, but in a halo orbit around it, Earth in fact never covers the Sun at all from its point of view. They are just always fairly close to each other.
cubefox
on May 9, 2023
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Interesting!
sjburt
on May 9, 2023
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It’s so the sun and the earth will always be in the same direction and both can be hidden behind the sun shield.
bagels
on May 9, 2023
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It needs solar power
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https://www.quora.com/Is-the-L2-point-of-Earth-in-a-permanen...