Professor of Astronomy, California Institute of Technology
The Thirty Meter Telescope is about ten years away, according to Caltech astronomy professor Richard Ellis. He describes plans for this amazing instrument that will dwarf the biggest current telescopes. Emily Lakdawalla's Q&A looks back at Voyager 1. Bill Nye the Science and Planetary Guy revels in news of glaciers on Mars! We celebrate our sixth anniversary in What's Up as Bruce Betts walks us through the night sky. Oh, and a new space trivia contest!