Thread: Astronomy 1
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Old 06-01-2011, 08:35 PM   #96 (permalink)
JustAlice

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Hogwarts RPG Name:
Dalia Turay
Fourth Year
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SPOILER!!: Aurora's Notes
Drake equation

Calculating the number of extraterrestrial civilisations we can communicate with.

Rate of star formation
Number of stars with planets
Number of hospitable planets
Number of hospitable planets that develop any kind of life
Number of planets with life where the life becomes advanced enough to send out signals
Length of time the advanced life spends on sending signals

N = R* x fp x ne x fl x fi x fc x L
N = the end result (number of planets with intelligent life we can communicate with)
R* = rate of star formation
fp = stars that have planets
ne = hospitable planets per sun
fl = planets that develop life
fi = planets with intelligent life
fc = fraction of intelligent life that sends signals
L = length of time the alien civilization sends a signal for


Aurora breathed out, this was so complicated. She finished scribbling down notes and looked at them. Trying to get some sort of sense out of them. She looked around at the other students, they all seemed to get it and she shook her head. She would have to get someone to help her with this...
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