Xploration Outer Space

Moon vs. Mars (3x15)

Ημερομηνία προβολής: Δεκ 31, 2016

What should NASA explore next, planet Mars or the Moon? Scientists make their case for spending our energy on going to Mars, while others think we should first conquer the Moon. Host Emily Calandrelli investigates this dilemma which will determine our space-faring future.