SOLAR SYSTEM

Detailed explanation-1: -The answer is gravity: an invisible force that pulls objects toward each other.

Detailed explanation-2: -Gravity is the force that pulls all objects in the universe toward each other. On Earth, gravity pulls all objects “downward” toward the center of the planet.

Detailed explanation-3: -Yes, the gravity is an invisible force because one cannot see the field lines due to gravity. Q. The force of gravity cannot act at a distance.

Detailed explanation-4: -Gravity is the force of attraction between objects. It is the invisible force that makes everything fall toward Earth. Gravity pulls objects toward the center of Earth.