An asteroid collision moved the moon’s north and south poles about 186 miles over a period of 4.25 billion years.

In a new study, scientists reveal that ancient collisions with asteroids moved the moon’s north and south arches about 186 miles. A team at NASA’s Goddard Space Flight Center in Maryland used computer simulations to erase thousands of craters from the moon’s surface — as if they were going back in time to 4.25 billion …

An asteroid collision moved the moon’s north and south poles about 186 miles over a period of 4.25 billion years. Read More »