Spaceship based telescopes

[Ulzgoroth]

Originally Posted by Anthony

Also, the diffraction limit is the size of the blurry spot a point-like object becomes; if you know you're looking at point-like objects (which will often be true in astronomy) you can do a bit more processing to find the center of the blurry spot, and maybe even figure out that two blurry spots are overlapping. This will not typically be very useful outside of astronomy.

Actually, I think it's also being used in fluorescence microscopy these days, where the point-like objects you are looking to localize are individual fluorescent molecules.