Copyright © Klaus Piontzik Claude Bärtels

9.5 - Drake-Equation and General Basic Model

As Chapter 9.4 shows, the Drake
equation can be considered as equivalent to the General
Basic Model 8.4.2 after fitting. For this to be exactly
the case, both equations must be equivalent to each
other.
It must then apply:
Equation 9.5.1 can be used in
several ways to check and correct the parameters. Here
F This results in the earth similarity F _{gae}:F _{gae} = 1,212:3,286 · 51:130 · (1:52 –
1:156)F_{gae}
= 1:359 – 1:1078With equation 9.5.1 the total number of stars in the galaxy can be determined:
A · F
L = (100-300)·10 ^{9} · 10:603 · 1:359 : 11.5 =
401,689 – 1,205,068L = (100-300)·10 ^{9} · 10:603 · 1:1078 : 11.5
= 133,772 – 401,316On average, the life span of a civilization is: L = 267,730 – 803,192 yearsThis results in the average life span of a civilization: L_{m} =
535,461 yearsThis allows a correction for Axiom 7.2.1 to the lifetime of a civilization:
The maximum limits of a
civilization's life span:
R = (100-300)·10 ^{9} · 10:603 · 1:359 :
535.461 = 8.627 – 25.881R = (100-300)·10 ^{9} · 10:603 · 1:1.078 :
535.461 = 2.873 – 8.619On average, the star formation rate is: R = 5.75 – 17.25This results in the average star formation rate: R = 11.5This is exactly the same as the given mean value. This observation allows to make a correction for the Drake equation. Insert the new values into equation 9.1.2: N = (1.45-19) · 201:14,000 · 1:9 · 1:111.203 · 535,461 N = 11 - 146 extraterrestrial technological
civilizations
This result will be referred to as
the |

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