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  1. Earth and Theia smashed to birth the moon, but did they first ...

    4 days ago · Theia, the giant impactor that smashed into Earth to birth the moon, may have been our planet's solar system neighbor.

  2. Lost Planet Theia that Created the Moon Came From the Inner ...

    3 days ago · The new study reveals Theia as a rocky planet with a metallic core that most likely contained five to ten percent the mass of Earth and formed in the inner Solar System, closer to the …

  3. Scientists may have found the planet that made the Moon

    14 hours ago · About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering …

  4. New Research Suggest Earth and Theia were Neighbors Before ...

    1 day ago · According to new research from the Max Planck Institute for Solar System Research (MPS), Theia and Earth were actually "neighbors" (in the cosmic sense).

  5. The Moon-forming impactor Theia originated from the inner ...

    5 days ago · The Moon formed from a giant impact of a planetary body, called Theia, with proto-Earth. It is unknown whether Theia formed in the inner or outer Solar System. We measured iron isotopes in …

  6. Earth's Long-Lost Sibling That Made The Moon May Have Lived ...

    2 days ago · A Neighbor From The Inner Solar System “The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner Solar System. Earth and Theia are likely to …

  7. Was the Moon-Forming Protoplanet 'Theia' a Neighbor of Earth ...

    1 day ago · Theia crashed into earth and formed the moon, the theory goes. But then where did Theia come from? The lead author on a new study says "The most convincing scenario is that most of the …