This 6:01 video discusses the questions: Are we alone in the universe? Where do we come from? It features NASA in the search for answers to these and many more questions about life in our solar system, and explains how astrobiologists use what we know about Earth to investigate Titan, Europa, and other far-off objects in space.
Biology
MULTIMEDIA MODULE
Ninth grade, Tenth grade, Eleventh grade, Twelfth grade