The prerequisite
for a space-moving civilization is:
![spacecraft](chapter6/spacecraft.jpg) |
6.6.1 Axiom
There is a physics and resulting technology that
allows interstellar journeys in short periods of
time.
|
From
a developmental point of view, only the highest level of
civilization 8 has interstellar space travel. Therefore,
the probability of finding such a species is:
Fz = 14,400:7,301 : 64.= 225:7,301 = 1:32.448
FLiz = FL · Fi · Fz
= 1:9 · 1:14 · 225:7,301 = 1:4089 space
traveling civilizations
Inserting all values (Fe = 0.1) into equation
6.3.3:
Nze1 = (100-300)·109 · 1:15,000
· 1:69 · 1:4089
Nze1
= 24 71 space traveling civilizations
Inserting all values (Fe = 0.01) into equation
6.3.3:
Nze2 = (100-300)·109 · 1:15,000
· 1:691 · 1: 4089
Nze2
= 3 7 space traveling civilizations
The two results can then be summarized to the following
statement:
6.6.2 Theorem |
There are probably 3 to 71
technological civilizations, on a "Earth
2", in a Sun-like star system, in our
galaxy, which operate interstellar space travel. |
The
probability of a habitable "Earth 2" in
solar-like star systems, in our galaxy, with a
technological civilization operating interstellar space
travel, is then by definition 6.4.2:
Fze = Fsph · Fgae · FLiz
Fze = 1:15,000 · (1:69-1:691) · 1:4089
Fze = 1:4,232,115,000 1:42,382,485,000
Only every 4.232 to 42.382 billionth
star system has an "Earth 2" with a space
traveling civilization.
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