137 pave pdf on rainbows and it's in black and white. Pretty upset about this :)

If you're at all interested in this stuff, Atmospheric Optics is a fantastic resource that illustrates and explains these phenomena with both depth and accessibility. Note that the menu on the left hides lots of layers.

https://www.atoptics.org.uk/halo/common.htm

https://www.atoptics.org.uk/halo/dogfm.htm

Super old school, love that it's still online.

(edit: incidentally, rainbows and glories fall under the water droplets category)

> In the light of this (no pun intended) it is interesting to note that there is another type of surface wave: ...

Missed moment of awesome. Intend your puns, you cowards!