It’s not on a purple planet, but I have this fantasy that someday some traveler will run across this and wonder what it’s for.
It has its own building, so hopefully they would recognize it was important in some way, enough to be puzzled.
It’s not on a purple planet, but I have this fantasy that someday some traveler will run across this and wonder what it’s for.
It has its own building, so hopefully they would recognize it was important in some way, enough to be puzzled.
… and now you have a whole forum wondering.
It’s a compass rose sitting exactly on the intersection of the equator and the prime meridian.