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What is the shrinking of a star caused by the pull of its own gravity?
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What the force the pull you towards the center of a planet or star?
gravity
What star continues to use hydrogen for energy heat from fusion causes pressure that balances the pull of gravity?
I BELIEVE the answer to that is Main Sequence star :)
Gravitational equilibrium means that the surface and the core of the Sun are at the same pressure?
The Gravitational Equilibrium of a star is when the amount of gravity being exerted by the center of the star on the outer particles of the same are balanced by a force pushing the particles out. In other words, it is when a star is not shrinking or condensing because of its own gravity. Possible outward forces counteracting the gravity could be radiation, heat, shockwaves, seismic waves, etc.
Why doesn't a star expand or collapse during the main sequence?
A star remains relatively constant in size because the force of gravity is in equilibrium with the pressure caused by the fusion at the core.
What are stars like?
Stars are balls of (usually hydrogenous) gas that is held together by a large amount of gravity. The gravity squeezes the gases together causing the star to become very hot and also causes nuclear fusion. The sun is the largest star but luckily earth is far enough away that the gravity of the sun doesn't pull us into it.
What process release the most energy from nuclear fusion burning or shrinking due to gravity?
In a star a balance exist between gravity shrinking and expansion due to fusion energy released.
Is there gravitational pull on the sun what is the pull?
yes, the sun has gravity. more gravity that us. if you were quite away from it, it would pull you in! the pull is caused by gases forming up and it gets so strong, like the wind, it pulls you in its direction. It is a star, which is formed of gas. the sun is a big star though, so it has more gas, which means it has more pull.
What is a pull of a star or planet called?
Gravity
What the force the pull you towards the center of a planet or star?
gravity
What process released the most energy nuclear fusion burning or shrinking due to gravity?
in a protostar before fusion ignites, gravity.in a normal star, fusion.in a star at the end of its life when fusion burns out, gravity. This is what drives the final blast of a supernova explosion.
What star continues to use hydrogen for energy heat from fusion causes pressure that balances the pull of gravity?
I BELIEVE the answer to that is Main Sequence star :)
Where does a star get enough energy to stop the collapse that would be caused by its own gravity?
radiation pressure
Gravitational equilibrium means that the surface and the core of the Sun are at the same pressure?
The Gravitational Equilibrium of a star is when the amount of gravity being exerted by the center of the star on the outer particles of the same are balanced by a force pushing the particles out. In other words, it is when a star is not shrinking or condensing because of its own gravity. Possible outward forces counteracting the gravity could be radiation, heat, shockwaves, seismic waves, etc.
Stellar equilibrium relies on fusion and gravity to maintain stars in their current form?
Yes, a stable star is in equilibrium, called hydrostatic equilibrium, when the outward pressure from heat caused by core fusion processes balances the inward pull of gravity. There are other factors which alter the form of stars such as their rotation or gravity from external sources such as a nearby mass.
Where does gas go in space?
Normally gravity from a passing star or planet will pull it toward it.But how does the gas get there?I'm asking you.
Why does a shooting star catch fire?
when a star is attracted by the atmosphere of the earth it is pulled by the gravity so when is pulled friction is caused between the air and the star and it catches fire so it becomes a shooting star.
Can a planet or star have so much gravity that it destroys itself?
Yes. When a star dies for example, the inward gravitational pull is so dense that it creates a black hole!
