By 
Ariel Anbar
 | 
TED-Ed Original

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].

Related tags:

ted-ed
space
science
universe
planets
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