Alien Calculator
 Share
The version of the browser you are using is no longer supported. Please upgrade to a supported browser.Dismiss

 
View only
 
 
ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Drake's Equation
2
Rate of Star Formation7
3
Fraction of Stars with Planets1
4
Average Habitable Planets Per Star1.4
5
Fraction that develop life0.5
6
Fraction that develop intelligent life
0.5
7
Fraction communicating1
8
Fraction of civilizations immortal1
9
Length of time civilizations have existed
7000000000
10
Total detectable civilizations17150000000
11
12
13
14
15
16
17
18
V
19
V
20
V
21
V
22
V
23
V
24
V
25
V
26
V
27
V
28
V
29
V
30
V
31
V
32
V
33
V
34
V
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Loading...
Main menu