This plaque, carried by Pioneer 10 and Pioneer 11 space probes, describes the location of the Sun. What are the points at the ends of the lines?

planets of the Solar System
galaxies
quasars
pulsars
Each of the line includes binary encoding of pulsar fre­quen­cy, so these can be easily rec­og­nized. The hydrogen spin-flip tran­si­tion fre­quen­cy is used as the unit of time (Hy­dro­gen particle at the top of the image).

Answers distribution

planets of the Solar System
galaxies
quasars
pulsars
answers
flagBelgium
30%
0%
0%
70%
10
flagFrance
15%
15%
7%
61%
26
flagCanada
23%
17%
0%
58%
17
flagItaly
40%
0%
5%
55%
20
flagRussia
30%
0%
20%
50%
20
flagSweden
20%
16%
12%
48%
25
flagSouth Africa
27%
18%
0%
45%
11
flagSpain
21%
14%
21%
42%
14
flagPoland
30%
15%
14%
38%
6908
flagIndia
26%
18%
15%
37%
171
flagthe United States
27%
19%
15%
36%
229
flagthe United Kingdom
34%
16%
13%
35%
200
flagGermany
25%
16%
19%
35%
89
flagthe Netherlands
27%
22%
16%
33%
18
flagAustralia
38%
7%
23%
30%
13
flagUnknown
36%
20%
15%
26%
444
flagthe Philippines
38%
9%
23%
23%
21
flagNorway
25%
15%
35%
20%
20
flagUkraine
40%
20%
20%
13%
15
flagRepublic of Ireland
43%
25%
31%
0%
16

Gender

men34%
women37%
planets of the Solar System
34%
27%
galaxies
15%
17%
quasars
15%
18%
pulsars
34%
37%

Details

Author: Sophie Letherman
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