alt Hacker NewsTo add: this happens because the parts of the Moon that are closer to the Earth are pulled in more by Earth's gravity, compared to the ones further away.
To add: this happens because the parts of the Moon that are closer to the Earth are pulled in more by Earth's gravity, compared to the ones further away.
The missing piece of information: the moon is not perfectly sphere shaped, the bulge has more mass, and is attracted by the earth more.