Via the crew of NASA's STS-65: They call them "glories" -- optical artifacts that are created when light is scattered backward by airborne water droplets. Although they look like rainbows, they're different in the way they form. Glories rely on a process known as diffraction, while rainbows are produced by refraction and reflection. Above, a glory is just visible against the backdrop of several stratocumulus eddies, or von karman vortices.
You don't have to tell her how big she is. You don't need to touch her belly.