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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.<p><a href="https://www.atoptics.org.uk/halo/common.htm" rel="nofollow">https://www.atoptics.org.uk/halo/common.htm</a><p><a href="https://www.atoptics.org.uk/halo/dogfm.htm" rel="nofollow">https://www.atoptics.org.uk/halo/dogfm.htm</a><p>Super old school, love that it's still online.<p>(edit: incidentally, rainbows and glories fall under the water droplets category)
137 pave pdf on rainbows and it's in black and white. Pretty upset about this :)