Saturday, October 15, 2016

The Search for a Second Earth

Today on Far Future Horizons we present another exciting episode of the acclaimed documentary series “How the Universe Works”.

In this installment we go in search of a new home for humanity out amongst the stars – 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.

The Earth is not alone. Over the past few years, astronomers have come to the realization that our galaxy may be home to billions of exoplanets. 

A comparison of Earth and Kepler-186f as a cold world with shallow oceans.

Scientists are scouring these exoplanets for evidence of atmospheres, liquid water, and even life. In the program, expert astronomers discuss the latest technology in the hunt for Earthlike planets, and reveal the conditions that need to exist to make a planet habitable.

This episode of How the Universe Works is available on DVD from the Discovery Channel's online store.

How The Universe Works ~ The Search for a Second Earth

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