Nina investigates how people on Earth find out about other planets.

Originally released by BBC, 2013. Streaming video file encoded with permission for digital streaming by Infobase on November 17, 2016.

Meet the Neurons (0:55); --How Do We Explore Other Planets in Space? (2:16); -- Senses Experiment (3:22); -- Mars' Space Rover (2:52); -- Why Space Rovers Need to be Autonomous (2:43); -- Summary: How Do We Explore Other Planets in Space? (0:36); -- Credits: Exploring Space—Nina & the Neurons: Earth Explorers (1:33);.