Dr. Abby Fraeman talks about Phobos and Deimos, the mysterious moons of Mars.
Dr. Joseph Masiero talks about the "secret" property of light, and how astronomers use it to learn about exoplanets and asteroids.
On this week's episode, Dr. Morgan Cable of NASA's Jet Propulsion Laboratory talks about Saturn's moon Titan, and how she creates mini Titan lakes in her laboratory.