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
11%
17%
5%
64%
17
flagCanada
18%
18%
0%
62%
16
flagRussia
20%
0%
20%
60%
10
flagItaly
42%
0%
0%
57%
14
flagSpain
25%
16%
8%
50%
12
flagPoland
31%
15%
14%
37%
4180
flagIndia
22%
20%
16%
36%
92
flagGermany
22%
14%
22%
36%
49
flagthe United States
28%
18%
18%
31%
170
flagthe United Kingdom
35%
20%
13%
30%
109
flagthe Philippines
41%
0%
25%
25%
12
flagNorway
31%
12%
31%
18%
16
flagUkraine
30%
20%
30%
10%
10
flagRepublic of Ireland
46%
23%
30%
0%
13

Gender

men37%
women36%
planets of the Solar System
34%
27%
galaxies
13%
17%
quasars
14%
17%
pulsars
37%
36%

Details

Author: Sophie Letherman
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