The lunar Maria are the large flat areas of the moon that ancient astronomers thought might be seas.
What is lunar Maria?
The lunar maria are huge, dark andesitic plains produced by ancient asteroid collisions on Earth's Moon.
Lunar Maria are caused by melting off lava on the lunar surface of the moon.
The lava was spread over vast areas of the moon.
It was developed between 3.8 million to 2.8 million years.
Thus, the lunar Maria are the large flat areas of the moon that ancient astronomers thought might be seas.
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