As you’ve probably heard, last Sunday, July 19, amateur Australian Astronomer Anthony Wesley discovered a dark spot on Jupiter. After alerting the professional astronomers, it turned out the spot, about the size of the Pacific Ocean, likely resulted from a recent and unknown impact. You can see the mark in the image from Don Parker at right.Most of us probably had similar reactions, something along the lines of, “What a neat discovery! This is why astronomy’s great, that dedicated amateurs...