In 1892, the discovery of Amalthea, whose orbit lay closer to Jupiter than those of the Galilean moons, pushed Europa to the third position. The Voyager probes discovered three more inner satellites in 1979, so Europa is now considered Jupiter's sixth satellite, though it is still sometimes referred to as Jupiter II.
Among the 23 states that now allow some form of legal weed, New York's law is among the most restrictive. Only a handful of serious conditions qualify for a prescription, and so far there are only 71 patients in the entire state.
Illinois has become the 20th state in the nation to legalize medical marijuana. Gov. Pat Quinn signed the bill into law Thursday at a new University of Chicago medical facility. Illinois' law takes effect Jan. 1, but it'll take several months before medical marijuana will be available for purchase.