Halos, Sun Dogs and Circumzenithal Arcs
What are those bright rainbow colours in the sky, if not rainbows? My thanks to Giel Spierings for the following email and permission to share…
Tag: circumzenithal arcs
Circumzenithal Arcs
My thanks to Simon Cadman for the following generous email and some great images of some sun dogs and the more rarely-spotted, ‘upside-down rainbow’, also…