It's also worth noting that the rods in your eyes are much more sensitive to low light than the cones in your eyes (which detect color). That's why it's hard t

It's also worth noting that the rods in your eyes are much more sensitive to low light than the cones in your eyes (which detect color). That's why it's hard to see color in low-light conditions. So I had a fantastic surprise when I was photographing comet Hale-Bopp because it looked white to my eyes but when I developed the photos the camera had picked up that it had one red tail and one blue tail: http://imgur.com/XKJr1 http://imgur.com/XKJr1