3 ms·

So we're not actually seeing the image of a star but only its Fourier transform? I presume that only happens if the star is far enough away, as there are plent

So we're not actually seeing the image of a star but only its Fourier transform? I presume that only happens if the star is far enough away, as there are plenty of images of our Sun (which is much closer) that don't look like this.

Tagbert 5y ago
For larger objects with a larger subtended angle, we are probably seeing the union of the Fourier transforms of each “pixel” (I’m not sure what the smallest element would be, in this case).