With apologies to Sir Arthur C. Clarke, ten years ago today — April 7, 2001 — the Mars Odyssey orbiter was launched from Cape Canaveral on a Delta-II rocket. (Image from Mars Odyssey, “In Search of Landing Sites on Mars,” false-color-enhanced by NASA and JPL-Caltech. NASA image.) Mars Odyssey was … Continue reading 2001: A Martian Odyssey