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A comment on Lunar Crater Radio Telescope on the Far-Side of the Moon (2020). Parent comment

Re:Lunar Crater Radio Telescope on the Far-Side of the Moon ... by Someone on Wednesday September 15, 2021 @12:25PM (#28541108)
You can do that on earth, too. See https://en.wikipedia.org/wiki/NASA_Orbital_Debris_Observator..., https://en.wikipedia.org/wiki/Large_Zenith_Telescope for (decommissioned) examples (both found via https://en.wikipedia.org/wiki/Liquid-mirror_telescope)

The idea apparently came from Isaac Newton.

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