What Do You Call a Flat Rainbow?

There’s no punchline. There actually IS such a thing as a flat rainbow and it’s name is Circumhorizon Arc. It’s a summer optical effect and only appears in certain parts of the world. Like a rainbow, the colors are formed by ice crystals reflecting the light like prisms. But this rainbow bar (not really an…

Diamond Moon

Capturing this full moon rising through Noctilucent clouds created a giant diamond ring!