This Week in Space: Exploring Atomic Space Batteries

This Week In Space episode 170 features Dr. Robert O'Brien discussing atomic space batteries, specifically radioisotope thermoelectric generators (RTGs), which have powered many historic space missions by converting heat from nuclear elements into electricity, especially useful in the dark outer solar system. The episode also covers recent space news, including the universe's projected lifespan, upcoming celestial events, and a model Falcon 9 rocket for enthusiasts.