New Moon Formation Theory: Inside a vaporized Earth "synestia"


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 14 March 2018

 

Astrophysics News
The Early Solar System

Moon Emerging From the Synestia created by Earth-Theia Collision
Moon Emerging From the Synestia created by Earth-Theia Collision, by Sarah Stewart/UC Davis based on NASA rendering.
How the Moon Formed From a Synestia ,by Sarah Stewart/UC Davis based on NASA rendering.

"This artist's rendering shows the hot, molten Moon emerging from a synestia, a giant spinning donut of vaporized rock that formed when planet-sized objects collided. The synestia is in the process of condensing to form the Earth. This new model for the Moon's origin answers outstanding questions about how the Moon's composition compares to that of Earth."

 

New Moon Formation Theory

The moon formed inside a vaporized Earth synestia,
University of California - Davis, February 28, 2018.

"A new explanation for the Moon's origin has it forming inside the Earth when our planet was a seething, spinning cloud of vaporized rock, called a synestia."

"The new work explains features of the Moon that are hard to resolve with current ideas...This is the first model that can match the pattern of the Moon's composition."

"Current models of lunar formation...as a result of a glancing blow between the early Earth and a Mars-size body, commonly called Theia."

"The new theory relies instead on a synestia, a new type of planetary object..."

"A synestia forms when a collision between planet-sized objects results in a rapidly spinning mass of molten and vaporized rock with part of the body in orbit around itself. The whole object puffs out into a giant donut of vaporized rock."

"Our model starts with a collision that forms a synestia."

 

Earlier

Moon was produced by a head-on collision between Earth and a forming planet,
UCLA, 1-28-16.

 

 

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