The would-be space colonist is at it again, this time with an outlandish but seemingly tongue-in-cheek theory that the pyramids were crafted by extraterrestrials.

Elon Musk took to Twitter on Thursday night to share some historical knowledge that few dare to talk about.

“Aliens built the pyramids [obviously],” the Tesla and SpaceX founder wrote, hinting that Pharaoh Ramses II was probably out of this world too.

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