Tag: Theia
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Theia and the Moon: Early Neighbors in the Solar System
Did Theia Start as a Nearby Planet? Rethinking the Moon’s Birth For decades, scientists have told a dramatic tale: a colossal asteroid-like body named Theia collided with young Earth, smashing and mixing to birth the Moon. This violent event, believed to have occurred about 4.5 billion years ago, has been the centerpiece of our understanding…
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Did Theia Start as a Neighbor? Reassessing the Moon’s Origins
Introduction: A cosmic origin story under new light For decades, the prevailing narrative about our Moon’s birth has centered on a colossal early collision—Earth smacking into a Mars-sized body called Theia. The aftermath, scientists agree, produced a disk of debris that coalesced into the Moon. But recent studies are revisiting the very beginning of this…
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Were Theia and Earth Neighbors Before the Moon? Rewriting Our Origins
Introduction: A New Twist on an Ancient Tale For decades, the giant-impact hypothesis has explained how the Moon formed: a colossal collision between young Earth and a Mars-sized body named Theia, followed by a chaotic merger that left Earth with a shiny lunar companion. But recent studies are nudging scientists to rethink a crucial piece…