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Nobody knows for sure, but billions of years. It would also depend on when the neutron star, no longer becomes a star. Is it when it stops radiating heat, or x-rays? The star or the remains will continue to be a physical property but will no longer radiate any energy.

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16y ago

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What is the differences between super nova and neutron star?

A supernova is when a massive star explodes. A neutron star is what can be formed after a supernova explosion. See related questions


Will a neutron star eventually go supernova?

No. A neutron star is left behind after a supernova. However, some gamma ray bursts may result from a collision between neutron stars.


What might happened to a star after it explodes as a supernova?

The supernova remnant will either be a neutron star or a black hole.


Was the first neutron star observed in a supernova remnant?

Yes, the first neutron star was observed in a supernova remnant. The object, named PSR B1919+21, was discovered in 1967 in the Crab Nebula, the remnant of a supernova that exploded in the year 1054 AD.


What follows a supernova and has a neutral charge?

A neutron star


A spinning neutron star has been observed at the center of a?

neutron star has been observed at the center of a supernova remnant, known as the Crab Nebula. This neutron star, also called a pulsar, spins rapidly, emitting beams of radiation that are observed as pulses by astronomers.


What is the term for the very dense white dwarf star that is left behind after a supernova?

Neutron Star


What is the for the tiny very dense white dwarf star that is left behind after a supernova?

Neutron Star


What Materials in the core of a supernova?

A supernova happens when most of the core of the collapsing star has become neutrons, held up against gravity by neutron degeneracy pressure. At this point a shockwave reflects from the neutron star surface, driving the supernova explosion.So the answer to your question is neutrons.


What remains after supernova?

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What remnant does a supernova leave?

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What can occur after a high mass star explodes?

A supernova resulting in either a neutron star, or a black hole.