How the Universe Works
Season 3 Episode 9 - The Search for a Second Earth
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.
Episodes in Season 3
Journey from the Center of the Sun
42 min
The End of the Universe
42 min
Jupiter: Destroyer or Savior?
42 min
First Second of the Big Bang
42 min
Is Saturn Alive?
42 min
Weapons of Mass Extinction
42 min
Did a Black Hole Build the Milky Way?
42 min
Our Voyage to the Stars
42 min
The Search for a Second Earth
42 min