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The inward force of gravity is counteracted by two outward forces: gas pressure, and radiation pressure. Once the star runs out of fuel, the radiation pressure stops, the gas pressure is no longer enough to counteract gravity, and the star collapses - into a white dwarf, a neutron star, or a black hole, depending on its mass.
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What are stars in the sky held together by?
Stars in the sky are held together by gravity. Gravity is the force that pulls all the mass of a star together, preventing it from expanding outward. It is this balance of internal pressure from nuclear reactions and gravitational forces that keeps a star stable.
How does gravity affect the stars moon an planets?
Gravity keeps the planets in orbit around the sun and the stars and the stars in orbit around the center of the galaxy. Gravity also holds the stars together against their own internal pressure.
How do gravity and pressure keep a nebula from collapsing?
Gravity pulls the particles in a nebula towards the center, trying to collapse it. However, pressure from gas and radiation within the nebula counteracts gravity, creating a balance that prevents collapse. This balance is crucial for the formation of stars from a nebula.
Did gravity form stars?
Yes. Stars form when clouds of gas and dust, called nebulae, collapse under the force of gravity.
What would happen to stars if there was no gravity?
If there were no gravity, period, there would be no stars. If gravity ceased to work, there would be a whole lot of violent explosions as the nuclear, mechanical and other forces within the stars popped the stellar balloons, so to speak.
Is there gravity inside you?
No, gravity is not inside us. Gravity is a force that acts around us. Everything in the universe has gravity. I am not sure about stars that weigh negative (e.g -500g) I guess that they would have a reppling force.
What are stars in the sky held together by?
Stars in the sky are held together by gravity. Gravity is the force that pulls all the mass of a star together, preventing it from expanding outward. It is this balance of internal pressure from nuclear reactions and gravitational forces that keeps a star stable.
What are two forces acting on the particles inside a nebula that effect its balance?
Two forces that act on particles inside a nebula are gravity, which pulls particles together to form new stars and solar systems, and radiation pressure, which pushes particles apart due to the energy emitted by hot stars within the nebula. These forces must be balanced for a nebula to maintain its structure and not collapse or dissipate.
What force is responsible for the birth and death of stars?
Gravity is responsible for the birth of stars as it causes gas and dust in space to come together and form a star. The death of stars is often due to a balance between gravity and pressure. When a star runs out of fuel for nuclear fusion, gravity causes the core to collapse, leading to a supernova explosion or the formation of a white dwarf, neutron star, or black hole.
Do stars twinkle due to refraction or gravity?
Stars in the universe twinkle because of refraction not gravity.
Are stars rounded by gravity?
yes because they levitate in space gravity does hold stars up
What Inside a star the force of gravity is balanced by the?
Inside a star, the force of gravity is balanced by the pressure generated from nuclear fusion reactions occurring in the star's core. These nuclear reactions create an outward pressure that counteracts the force of gravity trying to collapse the star. This delicate balance between gravity and pressure determines the size, temperature, and lifespan of a star.
Is a nebula held together of the outward force of gravity?
Yes, a nebula is held together by gravity. Gravity causes the gas and dust within a nebula to contract and clump together, eventually forming stars and other celestial bodies.
How are stars made with no gravity?
They aren't. Stars form as a result of a cloud of gas collapsing due to gravity.
Inside a star the force of gravity is balanced by?
If the force of gravity crushing a star in weren't balanced, it would collapse. The outward-pushing force counteracting gravity is the energy produced in nuclear fusion, when the heat and pressure inside of stars smashes atoms together.
Is there a balance between pressure and gravity in main sequence stars?
Gravity is constantly pulling the matter of a star together, while the nuclear fission reaction that makes the star shine and put off heat is trying to make it explode. The two are very precariously balanced.
What gives you balance?
gravity
