Earth began without a Moon. The young planet, barely formed, had no companion in orbit, and how it c...
SCIENCE
June 22, 2026
At its birth, Earth had no Moon. Then something perhaps the size of Mars slammed into the young planet, flinging molten debris into orbit that became the companion world now pulling our tides, steadying our seasons, and perhaps helping make Earth stable e
Earth began without a Moon. The young planet, barely formed, had no companion in orbit, and how it came by one is a question that took most of a century,...
Earth began without a Moon. The young planet, barely formed, had no companion in orbit, and how it came by one is a question that took most of a century,...
Author: Space Daily
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