Mount Wilson After the Fire

Hal McAlister directs the Mt. Wilson Institute. He could barely wait for the firefighters to escort him back up the mountain so that he could assess the damage to this shrine to astronomy. He talks to us from the scene. Bill Nye the Science (and Planetary) Guy considers life in the past and the future. He prefers the future. Emily Lakdawalla explains how we learned a faraway exoplanet is orbiting the wrong way. Bruce Betts moves from the fireline to the shoreline for this week's What's Up segment with Mat. Check out the new space trivia contest!