403,684 views | Ariel Anbar • TED-Ed
A needle in countless haystacks: Finding habitable worlds
Out of billions of galaxies and billions of stars how do we find Earth-like habitable worlds? What is essential to support life as we know it? Ariel Anbar provides a checklist for finding life on other planets. [Directed by Jeremiah Dickey, narrated by Ariel Anbar].