because the suns gravitational pull is so large that the planets stay close to together
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Gravity plays a significant role in shaping and determining the size of the universe. The gravitational pull between matter causes regions of higher density to collapse, leading to the formation of structures like galaxies and galaxy clusters. The overall geometry and size of the universe are influenced by the balance between the expansion driven by dark energy and the gravitational pull trying to pull matter together.
Gravity played a crucial role in shaping our universe by bringing matter together to form stars, galaxies, and other structures. It continues to govern the motion of celestial bodies, shaping the evolution and dynamics of the universe on a cosmic scale. Without gravity, the universe as we know it would look vastly different.
The sun maintains its size and shape through a balance of forces. Gravity pulls inward, trying to collapse it, while nuclear fusion at its core generates energy that pushes outward. These two opposing forces create an equilibrium that sustains the sun's size and shape.
Gravity, together with the planet's total kinetic and potential energy, completely determines the size and shape of the orbit.
Gravity is the force that attracts celestial bodies, such as planets, moons, and stars, toward each other. It governs their motion, keeping them in orbit around each other and shaping their trajectories within the universe. Gravity also determines the shape and size of celestial bodies based on their mass.
Well sometimes it is and sometimes it isn't. That old saying is not nessary true. Because there are plenty of planets in the universe that are the same size as earth but have less gravity than earth.