How the Universe Works S3E9 — The Search for a Second Earth

8.5

How the Universe Works•Season 3•Episode 9

The Search for a Second Earth

8.5/10 · 121 votesSep 3, 201442 min

Ranked #6 of 9 in Season 3•matches the season avg

Discussion

Is there another Earth out there with liquid oceans, rocky continents and life like us? Astronomers seek the answer with spectroscopy, direct imaging and telescopes. They hope to find evidence of atmospheres, magnetospheres and signs of life.

Previous episodeE8 · Our Voyage to the Stars Next seasonSeason 4

Seasons11

All 1 2 3 4 5 6 7 8 9 10 11

Season 3 Episodes9

E1 8.2

Journey from the Center of the Sun

E2 8.7

The End of the Universe

E3 8.6

Jupiter: Destroyer or Savior?

E4 8.5

First Second of the Big Bang

E5 8.4

Is Saturn Alive?

E6 8.5

Weapons of Mass Extinction

E7 8.4

Did a Black Hole Build the Milky Way?

E8 8.6

Our Voyage to the Stars

E9 8.5Now viewing

The Search for a Second Earth

Cast1

Erik Dellums

Self - Narrator

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"The Search for a Second Earth" is episode 9 of How the Universe Works season 3. It scored 8.5/10 from 121 votes, ranking #6 of 9 episodes this season (season average 8.5). It aired on September 3, 2014.

Continue to Season 4 Best of Season 3