Reflect Orbital sells sunlight at night, but don't trust that fancy video (mashable.com)

submitted 3 weeks ago by [email protected] to c/[email protected]

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cross-posted from: https://lemmy.world/post/19090299

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[-] [email protected] 0 points 3 weeks ago

Because the sun is not a point source but a disk half a degree across, you can’t focus the sun tighter than about a 1km spot from a mirror in low earth orbit.

[-] [email protected] -1 points 3 weeks ago

Okay but can we make that 1 km hot enough to burn everything inside of it?

For science of course.

this post was submitted on 28 Aug 2024

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