Astronomers have spotted a strange, obvious and inexplicable black spot near the equator of Jupiter. A picture of the object is circling this planet electronically as researchers scratch their heads about what they've found.
A second image, taken on another day by a different photographer, contains a similar looking spot. As of early today, the second image had deepened the mystery. Some astronomers were at first puzzled over whether the two photos show the same thing or not. As it turns out, they do not.