The location was based on Earth’s relative position in relation to the handful of then known pulsars. Fast forward to today and we now know that just about every neutron star starts out as a pulsar (to somebody, not just Earth) so there are millions of pulsars in our galaxy alone.
Scientists have admitted that the directions on the probes probably wouldn’t help any alien that might discover the probe.
“Scientists have admitted that the directions on the probes probably wouldn’t help any alien that might discover the probe.”
I understand the humans, the spaceship, sun and planets.
The symbols by the planets I have no idea, nor the two circles at the top.