Earth has only one natural satellite, the moon, which is relatively large compared to its parent planet. It orbits Earth at ...

Tiny particles within this cloud collided and clumped together, driven by gravity and ... In its infancy, the moon orbited much closer to Earth, just 14,000 miles away compared to today’s ...

When teachers explain ocean tides, they frequently describe how the moon's gravity pulls on Earth and all of its water. This, they often say, leads to a gravitational imbalance, which stretches ...