Letter | Published:

Rainbow on Spray

Abstract

A CURIOUS appearance, which I have never observed before, was visible here for a few minutes this forenoon. Large breakers were rolling in to the bay, and their fronts (covered with foam) were brilliantly white in the sunshine. But, as each passed a particular spot, directly opposite to the sun, the spray blown back from its crest took a bright reddish-brown colour. This was the apex of the primary rainbow. When observed from a more elevated point, the apparent colour of the spray became bluish.

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