Observing Earth With Space Studies Board Chair Charles Kennel

As part of our newly-expanded coverage of our own planet, former Director of the Scripps Institution of Oceanography Charlie Kennel shares his concern about the future of the Earth observation program in the United States as other nations are putting new instruments in orbit. Bill Nye applauds space programs around the world, while Emily Lakdawalla's Q&A looks at planets with and without magnetic fields. Bruce Betts and Mat Kaplan venture out in the mid-day sun for a look at the night sky, and to offer a new space trivia contest.