I found the equation. It is called the Drake Equation. The equation is this:
N = R* X Fp X Np X Fe X Fl X Fi X Fc X L
Where:
N= # of civilizations in our galaxy right now that should be able to use radio signals
R* = rate that our galaxy produces stars (in solar masses per year)
Fp = the fraction of stars with planets
Np = average planets per star
Fe = fraction of Earth-like planets (suitable for life)
Fl = fraction of Fe planets that life developes on
Fi = fraction of Fl planets which intelligent civilizations arise
Fc = fraction of Fi planets which technological civilizations arise
L = lifetime of civilization in years
Since this is a multiplication problem, if any of the variables are close to zero, then the end total will be near zero.
This info is from The Complete Idiot's Guide to Astronomy
EDIT: Old Hag? I believe so. Is that the thing where people suffering from sleep paralysis thought there was a which sitting on them and it really scared the crap outta 'em? I did say that I believe only a very, very few abductions are real. I said most are hoaxes or sleep paralysis or the thing with magnetic/radio/or something playing tricks on the person. The only ones that I believe are the ones where the person is actually reported missing and their are multiple witnesses, ect. Of those, there are probably only a few of those that are real.
[ January 16, 2002: Message edited by: RoN_Rancor ]
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