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What is a neutron star?


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Answered 2018-03-26 03:18:10

A neutron star is the remnant of a supernova explosion. Such stars are composed almost entirely of neutrons.

A typical neutron star has a mass between 1.35 and about 2.1 solar masses, with a corresponding radius of about 12 km

A neutron star is so dense that one teaspoon (5 millilitres) of its material would have a mass over 5 trillion kg. The force of gravity is so strong that an object falling from just one meter high would take a microsecond to hit the surface but at around 2,000 kilometres per second, or 4.3 million miles per hour.

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Good sentence for neutron star - WOW ! see that;s a neutron star !!



No. A neutron star ts the remnant of a massive star that exploded.


Neutron stars do not have fuel. A neutron star is a remnant of a star that has already died.



A neutron star will live for as long as there is a Universe.


A neutron star is not composed of atomic matter; as the name implies, a neutron star is mostly made of neutrons.


No. A pulsar is a neutron star, but not all neutron stars are pulsars. A pulsar is a rapidly spinning neutron star that funnels large amounts of radiation through its magnetic field.


It is still called a neutron star. Depending on how we observe it, it may also be called a pulsar.


Yes. A pulsar is a rapidly spinning neutron star.


A neutron star is the remains of a massive star that has ended it's life. There are many neutron stars and cannot have a particular age.


A young neutron star. Really - that is what a neutron star is. If the neutron star's magnetic field is pointed towards Earth, then it is referred to as a pulsar - because of it's rapid pulsations [See related question] but it is still a neutron star.


a neutron star is a star composed mainly of neutrons. a normal star is a star composed of hydrogen and helium


Depends on the age of the neutron star. As a neutron star no longer has any method to produce heat, it will slowly cool over time. A young neutron star will have a core temperature of about 106 kelvin.


Pulsars are not only a kind of neutron star, they are neutron stars. See related question.


There are no moons around a neutron star. A large, spherical body orbiting a neutron star would be considered a planet.


No stars are close to the size of a neutron star - the closest analogy would be to think Manhatten or any large city - that is the size of a neutron star.


A neutron star was formed from the core remains of an exploded star. The core would shrink and crush most matter inside, creating neutrons in the neutron star.


The name "neutron star" some from the fact that the neutron star is mainly composed of neutrons. The gravitational pull of a neutron star is so strong that most matter are crushed into neutrons.



There is an upper limit to the mass of neutron stars because if the neutron star is too massive, neutrons would be crushed by the gravity of the neutron star, and the neutron star would collapse into a black hole.


a neutron star usually forms when a star dies. the intense gravity of a star forms the black hole.


A supernova comes before a neutron star. After an aging star undergo supernova explosion, the remaining core of the star becomes a neutron star or a black hole, depending on its mass.


A neutron star is smaller, but has a greater mass. A typical white dwarf is about the size of a terrestrial planet. A typical neutron star is a few miles across.


No, an average start cannot become a neutron star. It generally takes a star at least 8 to 10 times the mass of the sun to form a neutron star.



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