Truly a spectacular weather watching evening. A thunderstorm raced into Yellowstone and painted the sky with a spectrum of color. I watched the landscape and sky change from blue to gold to black to pink. And as if the cloud's display of color wasn't enough of a delight, a magnificent rainbow suddenly appeared to complete the scene.
A quote from the excellent book, The Rainbow Bridge: Rainbows in Art, Myth, and Science seems appropriate:
"But why should not the glorious Rainbow be included among the gods? It is beautiful enough, and its marvellous loveliness has given rise to the legend that Iris is the daughter of Thaumas [the Greek god of wonder]. And if the rainbow is a divinity, what will you do about the clouds? Cicero