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
flagFrance
15%
15%
7%
61%
26
flagItaly
40%
0%
5%
55%
20
flagCanada
22%
16%
5%
55%
18
flagRussia
25%
0%
20%
54%
24
flagSwitzerland
31%
12%
6%
50%
16
flagPakistan
25%
8%
16%
50%
12
flagSweden
18%
14%
14%
48%
27
flagSpain
21%
14%
21%
42%
14
flagPoland
30%
15%
14%
38%
7117
flagIndia
26%
17%
17%
37%
182
flagthe United States
26%
19%
16%
36%
241
flagthe United Kingdom
34%
15%
12%
36%
210
flagGermany
26%
18%
18%
34%
92
flagthe Netherlands
27%
22%
16%
33%
18
flagAustralia
42%
7%
21%
28%
14
flagUnknown
35%
20%
16%
26%
453
flagthe Philippines
38%
9%
23%
23%
21
flagNorway
25%
15%
35%
20%
20
flagUkraine
37%
18%
18%
12%
16
flagRepublic of Ireland
41%
29%
29%
0%
17

Gender

men34%
women36%
planets of the Solar System
34%
27%
galaxies
15%
17%
quasars
15%
18%
pulsars
34%
36%

Details

Author: Sophie Letherman
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