Goldilocks and the Water Bears - The Search for Life in the Universe (Preston Louisa)(Paperback) - diskuze

Astrobiology is the study of life in the universe from its origins to its evolution into intelligent sentient beings. All life as we know it is carbon-based, reliant on sources of liquid water and energy for its survival, and as far as we are aware, exists only on Earth. Our planet occupies a unique spot in the solar system. It is just the right distance from the Sun--within the so-called Goldilocks Zone--to be not too hot or too cold for liquid water to be stable on its surface, which, together with a protective shielding atmosphere, allowed the four-billion-year journey from a single-celled organism to an upright humanoid species. Most of primordial life, if seen today, would be classified as alien, as it bears little resemblance to anything that currently exists. We can learn much about the possibilities of extraterrestrial life by studying the conveyer belt of
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