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Lecture 17

Lecture 17

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Department
Origins
Course
ORIGINS 2B03
Professor
Laura Parker
Semester
Fall

Description
Lecture 17Friday October 21 20111230 PMAstrobiologyStudy of origin evolution distribution and future of life in the universeHow do you look for life in the universeHabitable zone look for liquid HO O intelligent signals122SETILooked for signs of intelligent life as they could not find any signs that cant have naturally occurredHow do you communicate from ETDrake equationCalculate the probability of having intelligent life sourceBiggest telescope is 100 meters across in Peurto RicoVoyager Golden RecordContains the golden recordHolds things like music languages greetingsStephen Hawkins thought this was a bad ideaBecause inviting intelligent beings could be troublesomeOur sunVery active surfaceLow mass starTwo questions we askHow long will the sun last1Whats going to happen to the sun2How long will it lastHow much fuel you have and how fast you are consuming itA star di
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