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ridgeguy
on May 11, 2020
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KH-11 spysat design revealed by NRO’s telescope gi...
How about optical interferometry? IIRC, this can beat the diffraction limit.
wumpus
on May 12, 2020
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Optical interferometry means you have a wider telescope. Same limit formula.
mturmon
on May 12, 2020
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Yes, but the aperture of the interferometer is no longer limited in the same way, so we could say that interferometry gets around the “naive” diffraction limit.
cryptonector
on May 12, 2020
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Well, but if you have a bunch of these in orbit, able to image the same site, at the same time...
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