What is Albert Einstein’s theory about gravity?

He thought that gravity was what happened when planets became bigger and denser.

He didn’t have any specific ideas about gravity, but he wrote a lot about its importance.

He thought that gravity was what happens when space is curved around a mass.

He believed that gravity was a force that had little impact on our daily lives.

The correct answer is: He thought that gravity was what happens when space is curved around a mass.