Hear stories about alien moons, cold stars, and the future of space exploration. Hosted by Dr. Carrie Nugent, it's the only show that gets NASA experts to try unusual drinks.
Dr. Shantanu Naidu tells us about planetary radar. Using large telescopes in California and Puerto Rico, he bounces radio waves off of asteroids and “listens” for the return signal. With this technique, he’s discovered moons on several asteroids.