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).
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Answers by country
planets of the Solar System
galaxies
quasars
pulsars
answers
Canada
32
Greece
17
Poland
8893
the United Kingdom
137
Belarus
20
the United States
296
Pakistan
33
South Africa
11
Austria
15
Australia
39
France
20
Russia
126
Ukraine
119
Unknown
32
Germany
49
India
407
the Netherlands
23
Kazakhstan
16
Republic of Ireland
12
the Philippines
36