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.
Nadia Lopez didn't think anybody cared about her middle school. Then Humans of New York told her story to the Internet—and everything changed.