Universe of Mystery EP11
1) How humans could evolve to survive in space | Lisa Nip 2) The journey to Pluto, the farthest world ever explored - Alan Stern 3) Let's clean up the space junk orbiting Earth | Natalie Panek 4) Why is NASA sending a spacecraft to a metal world? - Linda T. Elkins-Tanton 5) 3 moons and a planet that could have alien life | James Green 6) What it takes to launch a telescope | Erika Hamden