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A comment on Can Geoengineering Fix Climate Change?. Parent comment
That is permanently between Earth and the sun, and you'd see it as a black dot at the center of the Sun.
Downside is it needs to be real big. 2000 km, according to this:
https://en.wikipedia.org/wiki/Space_sunshade
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That is permanently between Earth and the sun, and you'd see it as a black dot at the center of the Sun.
Downside is it needs to be real big. 2000 km, according to this:
https://en.wikipedia.org/wiki/Space_sunshade