The Planets (2017) - Dwarf Planets: Aliens Among Us

Seizoen: 2 - Aflevering: 11 / 19 - Eerst uitgezonden: 28 augustus 2018 - Episode ID: 1616078

Astronaut Mike Massimino explores dwarf planets, mysterious worlds like Pluto that are too small to be a planet, but are home to some of the universe's biggest secrets.