- #1
Orion1
- 973
- 3
Drake Equasion Solved...
Drake Equasion:
[tex]N_c = R_0 f_p n_e f_1 f_i f_c L_t[/tex]
[tex]N_c = \frac{R_0 f_p n_e f_1 f_i f_c N_s}{R_e}[/tex]
[tex]N_u = N_g R_0 f_p n_e f_1 f_i f_c L_t[/tex]
[tex]N_u = \frac{N_g R_0 f_p n_e f_1 f_i f_c N_s}{R_e}[/tex]
R0 = 4 stars*yr^-1
fp = (105/145)
ne = (1/105)
f1 = (1/128)
fi = (1/13.6*10^6)
fc = 1
Ns = 13.6*10^6 global species
Re = 8.76*10^3 species*yr^-1 (hr^-1)
Lt = (Ns/Re) = 1552.511 yrs
Ng = 1.425*10^7 galaxies/Universe
(Re = hr^-1):
Nc = 2.436*10^-8 civilizations/galaxy
Nc^-1 = 4.103*10^7 galaxies/civilization
Nu = (Nc* Ng) = 0.347 civilizations/Universe
(Re = dy^-1):
Nc = 5.848*10^-7 civilizations/galaxy
Nc^-1 = 1.709*10^6 galaxies/civilization
Nu = (Nc* Ng) = 8.337 civilizations/Universe
(Re = mo^-1):
Nc = 1.778*10^-5 civilizations/galaxy
Nc^-1 = 5.621*10^4 galaxies/civilization
Nu = (Nc*Ng) = 253.584 civilizations/Universe
(Re = yr^-1):
Nc = 2.134*10^-4 civilizations/galaxy
Nc^-1 = 4684.615 galaxies/civilization
Nu = (Nc* Ng) = 3043.017 civilizations/Universe
Extra-civilization Range:
[tex]r_c = \sqrt[3]{ \frac{3 V_u}{4 \pi N_u} }[/tex]
(Re = hr^-1):
rc = 25.060 BLy
(Re = dy^-1):
rc = 8.687 BLy
(Re = mo^-1):
rc = 2.783 BLy
(Re = yr^-1):
rc = 1.215 BLy
Nc - civilizations/galaxy
Nu - civilizations/Universe
R0 - galaxy stellar formation rate
fp - stellar planetary fraction
ne - planetary bioecology
f1 - bioecological genesis
fi - Intelligence fraction
fc - Intelligence communication
Ns - total global species population
Re - total global species extinction rate
Lt - global extinction lifetime
All non-observable values rejected.
Reference:
http://www.obspm.fr/encycl/catalog.html
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