Eugene Higgins Professor of Astronomy, Yale University
Yale Professor of Astronomy Debra Fischer is one of our planet’s most successful discoverers of exoplanets. She has set her sights on Alpha Centauri, where she hopes to find a Earth-sized world in the habitable zone: not too hot, not too cold for life. Emily Lakdawalla says there's more to sand than you may think. Bill Nye found friends of planetary science on both sides of the aisle in DC. Bruce Betts shows us the night sky in this week's What's Up! NOTE THE LINK TO THE NEW WHAT'S UP! CONTEST ENTRY FORM BELOW. Bill Nye might be answering your phone for you.