Meteor experts say the Geminid meteor shower is hands-down the best in the heavens, producing 120 multicolored meteors at the peak. Produced by debris left behind by the asteroid 3200 Phaethon discovered in 1982, it runs from Dec. 7-17. Moonlight will wash out some of the faintest meteors, but the Geminids are so bright and prolific they should still offer a good show