Moon surface NASA

NASA’s latest unmanned missions to the moon have scientists rethinking their concepts of Earth’s closest neighbor.

Forget almost everything you ever thought you knew about the moon.

NASA’s latest missions indicate the moon is much more than a dead, unchanging satellite orbiting Earth. It’s a dynamic environment, with changes occurring by the day and week, not over millions of years.

The space agency says the missions are rewriting lunar science text books and revolutionizing what scientists know about Earth’s closest neighbor.

An announcement in November probably rivaled Neil Armstrong’s first steps on the surface more than 40 years earlier: There’s water on the moon.

The Lunar Crater Observation and Sensing Satellite, or L-CROSS, and its companion spacecraft crashed into a crater at the moon’s south pole in October and discovered water in a very dark and very cold place. L-CROSS researchers said about 25 gallons of water were detected in the crater, which measured about 60 feet wide by a few feet deep.

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