For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...
A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth’s history could have delivered ...
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 ...
Our magnetosphere plays the role of gatekeeper, repelling unwanted energy that's harmful to life on Earth, trapping most of it a safe distance from Earth's surface in twin doughnut-shaped zones called ...
Imagining every drop of Earth’s water hurled into the Sun sounds like a last-ditch cosmic fire extinguisher, but the physics points in a very different direction. Instead of snuffing out our star, ...
About 4.5 billion years ago, the most momentous event in the history of our planet occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what ...
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