Astronomy review for final

Astronomy review for final - Astronomy Review Session Drake...

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Astronomy Review Session Drake Equation Fermi Paradox -using the drake equation you can predict many civilizations . there is enough time to colonize the galaxy. You would see radio signals. However we didn’t observe this. Origin of Life -Miller Urey Experiment -Panspermia -Polymerization ( Darwin’s Warm little pond) Anthropic Principle -Weak Deals with the possibility of life in the universe -Strong Laws of the universe imply that intelligent life MUST occur Why SETI will fail -Looks at nearby star systems (over 100 million years these stars move away) -can only detect beamed signals Darwin’s Little Pond -amino acids and molecules accumulate in pond of water life starts here -polymerization of edges of the pond Cairns-Smith Theory -crystals/clay were first replicators Zone of Habitation -Star system-distance where liquid H20 exists on its surface
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-Galaxy you need enough materials to form planets, no radiation fields, orbital periods comparable to spiral arms Oort Cloud -Spherical region outside solar system with 10
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Astronomy review for final - Astronomy Review Session Drake...

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