Extra-Solar_Planets_pre-lab_01-12-10

Extra-Solar_Planets_pre-lab_01-12-10 - N = The number of...

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Extra-solar Planets Pre-lab Read through the power point posted in the extra-solar planet module on Blackboard, then answer the following questions in the submission box for the Extra-solar planet pre- lab. 1. Does your star have identified planets? If so list them along with their probable size and distance from the star. 2. The powerpoint contains several calcuators for the Drake equation. Go to one and use it to calculate the number of life-bearing planets you would expect to find in the Milky Way based on the inputs as described in the calculator. List all the values you chose and give the final result. Drake Equation parameter Value you used in calculation
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Unformatted text preview: N = The number of communicative civilizations R = The rate of formation of suitable stars (stars such as our Sun) f p = The fraction of those stars with planets. n e = The number of Earth-like planets per planetary system f l = The fraction of those Earth-like planets where life actually develops f i = The fraction of life sites where intelligence develops f c = The fraction of communicative planets (those on which electromagnetic communications technology develops) L = The "lifetime" of communicating civilizations Total 3. Do you think your answer is reasonable? 4. Which parameter was most difficult for you to choose? Explain why for full credit?...
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