4 ms·
It's still the case that if you're sufficiently far away from a nonspherical object, it'll effectively act like a point source. I'd guess this is what the OP w
by starwed 15y ago
It's still the case that if you're sufficiently far away from a nonspherical object, it'll effectively act like a point source.
I'd guess this is what the OP was recalling.
- bzbarsky 15y agoWell, sure. If you're far enough away it _looks_ like a point source! That doesn't apply to being on the face of a cube, though; that's not nearly far enough away, obviously. :)