Theiaplanet

Theia is a hypothesized ancient planet in the early Solar System which, according to the giant-impact hypothesis, collided with the early Earth around 4.5 ...

The giant-impact hypothesis, sometimes called the Theia Impact, is an astrogeology hypothesis for the formation of the Moon first proposed in 1946 by ...

2023年11月10日 — About 60 million years later a “giant impact” collision between the infant Earth and a Mars-sized body called Theia created the Moon. Now, new ...

Theia is a hypothesized ancient planetary-mass object in the early Solar System that, according to the giant impact hypothesis, collided with the early ...

2023年11月8日 — Theia slammed into Earth, left marks and then formed the Moon, study suggests. A new study of unusual blobs in Earth's lower mantle lends ...

2023年11月2日 — The evidence for Theia lies under the Earth's surface, and thousands of miles above Earth, on the Moon. There are special crystals on the Moon, ...

2023年11月3日 — Scientists say they've finally found remnants of Theia, an ancient planet that collided with Earth to form the moon.

2023年11月1日 — A Mars-size object called Theia smashed into Earth, and the debris coalesced into the moon. Now scientists believe they may have identified ...