4 ms·
> Photons have no ticking time at all, which means, as far as they are concerned, they are absorbed the instant they are emitted, even if the distance traveled
by retube 15y ago
> Photons have no ticking time at all, which means, as far as they are concerned, they are absorbed the instant they are emitted, even if the distance traveled is across the universe itself
Yes. Or another way of looking at it, from a photon's perspective the Universe has no size at all! I love that.