# A needle in countless haystacks: Finding habitable worlds

- Institution: TED
- Department: TED-Ed
- Speaker: Ariel Anbar
- Year: 2012
- Level: For everyone
- Language: English
- Subjects: Astronomy and space
- Source: [TED](https://www.ted.com/talks/ariel_anbar_a_needle_in_countless_haystacks_finding_habitable_worlds)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

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. \[Directed by Jeremiah Dickey, narrated by Ariel Anbar\].

## Lectures

1. [A needle in countless haystacks: Finding habitable worlds](https://invisiblenetwork.ai/learn/ted/ariel_anbar_a_needle_in_countless_haystacks_finding_habitable_worlds/b878dfba5dd3), 5 min (TED's player)