The largest dark spot on the moon, known as the Ocean of Storms, may be a scar from a giant cosmic impact
Scientists may never know exactly how the moon and Earth were formed some 4.5 billion years ago, but...
Once upon a time the moon was thought to be dry, dusty, and barren.
Signals from seismic sensors left on the lunar surface by Apollo astronauts in 1971 have revealed that the Moon has a liquid core similar to Earth's.
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