Nibiru’s a planet. It’s the home of tall white mostly Homo sapien geneticists who came to Earth 450,000 years ago, adapted their genome to create us to mine gold for them, and told us to call them the Anunnaki, or the Lords (“el”).
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planet NIBIRU revolves around Nemesis, a dark subdwarf star more massive than Jupiter.

Nemesis nears our Sun, at the KUIPER BELT, 48 Astronomical Units from Earth, every 10,800 Earth years. Nibiru circles Nemesis but did not orbit our sun. Instead, every 3,600 years Nibiru passed through our inner solar system between Jupiter and Mars. One of Nibiru’s years (the time Nibiru took to circle Nemesis) was thus 3,600 Earth years–long enough for 180 generations of Homo Sapiens Earthlings to live and die. Since then, Nibiru’s revolution’s speeded to 3, 450 Earth years.

Freer, in Sapiens Rising, says sinking of Lemuria [connected Polynesian isles), Atlantis, tectonic plate shifts, extreme volcano eruptions, solar flares, etc. were all from the flood of 13,000 years ago (11,000 BCE). Lloyd, in Dark Star, cites a sequence of extinction events even earlier, that would account for surviving humans like Homo Erectus and surviving Hominids, such as Bigfoot, Yeti, Agowe, and Alma (modern Neanderthals, according to Pye).
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For tens of millions of years, Nibiru returned to the inner solar system, bringing repeated catastrophic effects to the inner planets. Earth was pummeled by thousands of asteroids. Then Nemesis, the Dark Star, underwent massive orbital expansion, eventually locating safely beyond the Oort cloud.
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Our Anunnaki mentors told us to multiply 360 X 10 to get 3,600 rotations of Earth around the sun as Earth Years. They said that these 3,600 Earth years equaled one Nibiran year, where the Anunnaki home planet Nibiru rotated around Nemesis, its primary star and then moved through Earth’s inner solar system between Mars and Jupiter and next, returned to its starting point on the opposite side of Nemesis.