Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun. Earth’s gravity is what keeps you on the ground and what makes things fall.
The strength of gravity depends on two things: the mass of the object and the distance between them. The more mass an object has, the more gravity it has. And, Gravity gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is.
Earth’sgravity comes from all its mass. All its mass makes a combined gravitational pull on allthe mass in your body. That’s what gives you weight. And if you were on a planet with lessmass than Earth, you would weigh less than you do here.
Astronauts in space experience weightlessness because they are far away from any large masses like Earth—there isn’t anything to pull them down! However they still have mass so they still exert a gravitational force on everything around them including other astronauts and spacecrafts! Even though we don’t feel it, everyone and everything has a gravitational force exerted upon them by every other object in the universe! It just depends on how strong that force is given how massive those objects are and how far apart they are from each other