Aliens! - Star lifetimes Atmospheric instabilities On how...

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Aliens!
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What is Life? In your biology textbook: Metabolism Growth Energy utilization Procreation Mutation Is this broad enough?
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What Do We Need for Life? Oxygen? Water? Planet? Carbon?
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Life in the Solar System Mars? Titan? Europa? Elsewhere?
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Life Outside the Solar System How many planets are out there? How many of those might be habitable? Habitable zones – best for organic chemistry
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Unformatted text preview: Star lifetimes Atmospheric instabilities On how many of these might life arise? When life arises, how common is intelligence? How long do intelligent civilizations last? Fermis Paradox Where are they? They exist, and are here! They exist, but have not visited/communicated. They do not exist. The Search for Signals SETI Pioneer Plaque...
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Aliens! - Star lifetimes Atmospheric instabilities On how...

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