Oorspronkelijk geplaatst door Johnny Blaze
ah zo, en die cijfers voor dat "mathematisch" feit, uit welke duim komen die?
Nog nooit gehoord van de drake-vergelijking?
The Drake equation states that:
N = R* x fp x ne x fℓ x fi x fc x L
N is the number of civilizations in our galaxy with which communication might be possible;
R* is the average rate of star formation in our galaxy
fp is the fraction of those stars that have planets
ne is the average number of planets that can potentially support life per star that has planets
fℓ is the fraction of the above that actually go on to develop life at some point
fi is the fraction of the above that actually go on to develop intelligent life
fc is the fraction of civilizations that develop a technology that releases detectable signs of their existence into space
L is the length of time such civilizations release detectable signals into space.