Tag Archives: Imbrium

Like a blister, the “Bay of Rainbows” (Sinus Iridium) pouches out from the Ocean of Showers (Mare Imbrium) on the Moon. The bay is rimmed by the remains of the semicircular wall of a large crater seen catching the rays of the rising sun in this image. Perhaps this is the rainbow that the cartographerContinue reading “Rainbows and Showers”