Colossal asteroid impact forever changed the moon’s balance

The other side of the moon is filled with many more craters than the near side, which is visible from Earth. (Image credit: Shutterstock)

(opens in new tab)

One side of the moon is filled with far more craters than the other, and scientists finally know why: A massive asteroid that hit the moon about 4.3 billion years ago created chaos in the moon’s mantle, according to a new study.

More than 9,000 visible craters mark it moonthanks to barrage of meteor showers, asteroids and comets over billions of years, according to International Astronomical Union (opens in new tab). However, these craters are not evenly distributed over the surface of the moon. The other side of the moon that people never see from the earth because the moon is tide-locked (meaning it takes the same amount of time for the moon to rotate and orbit the Earth), it has a significantly higher concentration of craters than the visible near side.

Leave a Comment