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That's because of conservation of angular momentum - and the fact that neutron stars are very small. If a star the size of our Sun rotates (for example) once a month, once it shrinks to a diameter of 20-30 km., it will have to rotate several times per second in order to conserve angular momentum.
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What are remnants of high mass star?
Neutron stars and black holes.
When A neutron star is the densest substance in the universe What does it tell you about its mass and volume?
It means it's mass is very high and its volume is very low. A standard neutron star has a mass thousands of times greater than the sun, but a volume of a small city. This ridiculously high density and pressure also account for the high temperatures of neutron stars. PS. Quark stars are denser than neutron.
What evidence can you cite that pulsars are neutron stars?
A pulsar is a neutron star that rotates and sends a beam of electromagnetic radiation. This is known because only a very dense source of such radiation would be capable of rotating that quickly without disintegrating.
What is a low- meduim- mass star the becomes the end of its life?
White dwarf. High mass stars become neutron stars or black holes.
What are the unusual properties of neutron stars?
Especially their high density - millions of tons per cubic centimeter.
What is the remains of of high mass stars?
It can be a black hole or a Neutron Star
What are remnants of high mass star?
Neutron stars and black holes.
What causes pulsating variable stars to pulsate?
When the core of a massive star is compressed during a supernova explosion, then collapses into a neutron star, it retains most of its angular momentum.Since it has only a tiny fraction of its original radius, a neutron star is formed with a very high rotational speed.A pulsar is a highly magnetised, dense neutron star emitting a beam of electromagnetic radiation.
How do pulsars accelerate to dizzying rotational speeds?
When a neutron star is first formed (Pulsars are just neutron stars - see related question) it retains most of its angular momentum. As it now only has a tiny fraction of its "parent's" radius, a neutron star is formed with a very high rotation speed. It's similar to watching ice skaters spinning with their arms out and then suddenly bringing them to their sides.
What are the small dense remains of a high-mass star called?
Neutron stars
When A neutron star is the densest substance in the universe What does it tell you about its mass and volume?
It means it's mass is very high and its volume is very low. A standard neutron star has a mass thousands of times greater than the sun, but a volume of a small city. This ridiculously high density and pressure also account for the high temperatures of neutron stars. PS. Quark stars are denser than neutron.
What evidence can you cite that pulsars are neutron stars?
A pulsar is a neutron star that rotates and sends a beam of electromagnetic radiation. This is known because only a very dense source of such radiation would be capable of rotating that quickly without disintegrating.
Where do neutron stars form?
Neutron stars could form in places where there are high-mass stars. After the star runs out of fuel in its core, the core collapses while the shell explodes into the space as supernova. The core would then become a neutron star, it might also become a black hole if it is massive enough.
What is made when stars die?
There are three types of stellar remnants. Low to medium mass stars will become white dwarfs. High mass stars will become neutron stars. Very high mass stars will become black holes.
Can Neutron stars turn back into a normal star and if so how?
No. The mass of a neutron star is so compact and the gravity so high that it could never again become a regular star. Besides, neutron stars come from the cores of stars that have already gone nova. All the hydrogen was already fused into heavier elements.
Why are neutron stars made out of different matter than earth?
Neutron stars are made of the same matter as Earth, but they have so much mass that their matter has a high density and the atoms have been crushed with everything compressed into neutrons.
What is a low- meduim- mass star the becomes the end of its life?
White dwarf. High mass stars become neutron stars or black holes.
