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
flagCanada
18%
18%
0%
62%
16
flagFrance
15%
15%
7%
61%
26
flagRussia
25%
0%
16%
58%
12
flagItaly
43%
0%
0%
56%
16
flagSpain
23%
15%
15%
46%
13
flagthe Netherlands
25%
16%
16%
41%
12
flagPoland
30%
15%
14%
38%
4765
flagIndia
20%
22%
15%
38%
113
flagGermany
22%
16%
20%
37%
62
flagUnknown
27%
18%
13%
37%
37
flagthe United Kingdom
34%
17%
13%
34%
138
flagthe United States
27%
19%
16%
33%
197
flagthe Philippines
35%
5%
23%
29%
17
flagNorway
27%
11%
33%
22%
18
flagUkraine
30%
20%
30%
10%
10
flagRepublic of Ireland
43%
25%
31%
0%
16

Gender

men36%
women37%
planets of the Solar System
34%
26%
galaxies
14%
17%
quasars
14%
18%
pulsars
36%
37%

Details

Author: Sophie Letherman
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