Towards the search for life on other earths | Sara Seager | TEDxCoconutGrove

Sara Seager examines her pursuit of an Earth Twin. Looking at Earth from the perspective of outer space may allow us to recognize and to identify characteristics of life that may be present...

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Translator: Tijana Mihajlović Reviewer: Denise RQIf we could go out, away from the city lights,to a dark sky, in a remote location on a moonless night and look up,we would see untold number of stars.Each star in the sky is a Sun,and if our Sun has planets - Mercury, Venus, Earth, Mars, etc -it seems natural to think that other stars should have planets also.And they do.Astronomers have found that each star in our skyhas at least one planet.So, the next time you're out in the dark sky and look up,you can start wondering about the planets around those other stars, other Suns.We have identified thousands of planets around other stars.Hundreds of them are about the size of Earth,and dozens of them are expected to have surface temperaturesthat are not too hot, not ...