Ray Bradbury's hometown of Los Angeles celebrates his birthday at city hall, while Phil Christensen's THEMIS team has created Earth's most accurate map of Mars. Emily Lakdawalla is at her space geeky best in the Planetary Society blog. Bill Nye splashes down with the SpaceX Dragon capsule. Your chance to win a copy of Mary Roach's Packing for Mars in the new What's Up? trivia contest.