Moon rocks brought back from the Apollo 17 mission have shown water at 615-1410 parts per million...same as the earth's upper mantle...So the dilema for evolutionists is that they presume the moon was formed by a cataclysmic object that struck earth and knocked off a chunk that became the moon. Problem is such a blast, by their own calculations, should have vaporized any water....
He appointed the moon for seasons:
Psalm 104:19