Smithsonian Magazine on MSN
A Planet Slammed Into Earth 4.5 Billion Years Ago, Forming the Moon. The Projectile May Have Been Our Neighbor
Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...
Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...
They went through the isotope mixtures in Earth and lunar rocks instead of using highly technical models. They dabbled in ...
Space.com on MSN
Earth and Theia smashed to birth the moon, but did they first start out as close neighbors?
"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.
Theia' is a long-vanished world, a planet-sized body thought to have smashed into the early Earth and that helped to form the ...
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 clues across ...
Morning Overview on MSN
New research says Theia and Earth once orbited as close neighbors
New modeling of the early solar system is reshaping the familiar story of how the Moon formed, suggesting that Earth and the ...
ScienceAlert on MSN
Scientists Reveal Origins of Giant Object That Smashed Into Earth
One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...
Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...
ZME Science on MSN
The Lost Planet That Gave Birth to the Moon May Have Been Earth’s Next-Door Neighbor
About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...
About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...
New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...
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