Alien Earths

The New Science of Planet Hunting in the Cosmos
For thousands of years, humans have wondered whether we're alone in the cosmos. Now, for the first time, we have the technology to investigate.
As founding director of Cornell University's Carl Sagan Institute, astrophysicist Lisa Kaltenegger has built a team of tenacious scientists from many disciplines to create a specialised toolkit to find life on faraway worlds. In Alien Earths, she demonstrates how we can use our homeworld as a Rosetta Stone, creatively analysing Earth's history and its astonishing biosphere to inform this search. With infectious enthusiasm, she takes us on an eye-opening journey to the most unusual exoplanets that have shaken our worldview – and the best contenders for Alien Earths. We also see the imagined worlds of science fiction and how close they come to reality.With the James Webb Space Telescope and Dr. Kaltenegger’s pioneering work, she shows that we live in an incredible new epoch of exploration. As our witty and knowledgeable tour guide, Dr. Kaltenegger describesnot merely new continents, but whole new worlds circling other stars. Worlds from where aliens may even be gazing back at us. What if we're not alone?

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