Most of the surface is a sheet of light blue, and you can't see through ... And here's the awesome thing: Through this ring you get a fish-eye view that shows you not just the sky but also stuff ...

A distant galaxy, invisible for billions of years, has reappeared in a surprising form thanks to a rare cosmic illusion ...

That's the colored circle at the front of your eye. The ciliary body. This is a ring of tissue behind your ... eye fluid and your retina. That's the light-sensitive tissue at the back of your ...

How and Why We See a Ring Of course, to see the halo, the crystals must be oriented and positioned in a specific way to your eye. The light reflected ... Coronas also tend to circle tighter ...

Heterochromia is the term used to describe a difference in a person’s eye ... inner ring often seems to have “spikes” of different colors that radiate from the pupil or the black circle ...