Holiday lights will be joined by the sparkles of the Geminid meteor shower, appearing Dec. 4 through 20 and peaking on Dec. 14. The shower produces over 100 meteors an hour and is described as multicolored. The Geminids are followed by a small shower, the Ursids, which have about 10 an hour. This shower originates in the constellation Ursa Minor, the Little Dipper. Our official winter begins with the winter solstice of Dec. 21, the…