How the Universe Works - The Search for a Second Earth

Seizoen: 3 - Aflevering: 9 / 27 - Eerst uitgezonden: 03 september 2014 - Episode ID: 1015519

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.