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
flagCanada
25%
15%
5%
55%
20
flagItaly
40%
0%
5%
55%
20
flagSwitzerland
31%
12%
6%
50%
16
flagSweden
18%
14%
14%
48%
27
flagRussia
34%
6%
15%
43%
32
flagPakistan
35%
7%
14%
42%
14
flagSpain
21%
14%
21%
42%
14
flagthe Netherlands
25%
20%
15%
40%
20
flagPoland
30%
15%
14%
38%
7397
flagthe United Kingdom
33%
15%
12%
37%
216
flagthe United States
27%
18%
15%
35%
248
flagIndia
26%
17%
18%
35%
199
flagGermany
26%
17%
17%
34%
96
flagAustralia
46%
6%
20%
26%
15
flagUnknown
35%
20%
16%
25%
474
flagthe Philippines
43%
8%
21%
21%
23
flagNorway
28%
14%
33%
19%
21
flagUkraine
38%
16%
22%
11%
18
flagRepublic of Ireland
41%
29%
29%
0%
17

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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