"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...
A protoplanet crashed into Earth more than four billion years ago, ejecting the Moon. It is now clear where the protoplanet came from.
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 ...
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Radiometric Revelations and Indigenous Stewardship at Earth’s 4.16-Billion-Year-Old Geological Frontier
On the wind-blasted shores of Hudson Bay, the Nuvvuagittuq Greenstone Belt has silently witnessed Earth’s early beginnings for centuries. Now, with its improved age of 4.16 billion years, these rocks ...
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. Earth and Theia are likely to have been neighbors." ...
The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. When you purchase through ...
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