Spacecraft near Earth have long relied on GPS signals for navigation, just as users on the ground might use their phones to navigate the highways. Farther away, navigation — and the math behind it — becomes a great deal more challenging.

10. 406 MHz | NASA's The Invisible Network Podcast

The technologies that allow NASA to talk to and navigate spacecraft are often overlooked — perhaps because they work so well. Join us as we shine a light on the invisible networks that power space science and exploration.