Did Time Travelling Aliens Follow Pioneer Star Map?

A stone found in an ancient cave on Devil hill in Indonesia, has a star map engraved upon it? How is this possible, is it the pioneer 10 star map, did time travelling entities visit our home, somehow arriving in the past? http://www.messagetoeagle.com/remarkable-stone-depicting-ancient-alien-star-map-discovered-at-mount-of-satan-indonesia/

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