Through the eyepiece of an optical telescope, you see something right in front of you, and your brain says, there it is: a jellybean, four feet away. Of course, Neptune is 17 times the mass of Earth and far-flung as it gets, but that doesn’t compute. It might be the farthest thing you’ll ever see, but it looks so close, and in the absence of contextual clues, the ordinary functioning of perspective fires and misses.
Read More…