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can u help me to explain the role of gravity in the equilibrium of stars in their production of enegry , and an explanation of the role of gravity in the formation of planets.
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Gravity is the force that pulls matter together, and it plays a crucial role in the formation of stars and planets. As a cloud of gas and dust collapses due to its own gravitational force, it begins to spin and flatten into a disk shape. This disk then becomes the birthplace of stars and planets.
The strength of gravity determines the size of stars and planets. The more mass a celestial object has, the stronger its gravitational force, and the larger it can become. This is why stars, which have much more mass than planets, are much larger in size.
Yes, gravity is responsible for the fusion reactions that power stars. As the core of a star becomes denser due to gravity, the intense pressure and heat cause hydrogen atoms to fuse together, releasing energy in the form of heat and light.
Gravity is what keeps planets in orbit around stars. The gravitational pull of the star causes the planet to continuously fall towards it, but the planet's forward motion keeps it from falling into the star. This results in a stable orbit around the star.
If there was no gravity, stars and planets would not be able to form. The initial collapse of a gas and dust cloud, which is caused by gravity, is necessary for the formation of stars and planets. Without gravity, the gas and dust particles would simply continue to disperse, and the formation of celestial objects would not be possible.