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The core of a star left over from a supernova explosion is called a neutron star. Neutron stars are incredibly dense, composed mostly of neutrons, and have strong gravitational and magnetic fields. They can be very small in size but contain a mass greater than that of our Sun.

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Q: What is the core of a star left over from a supernova explosion?
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What happens to a massive star when its fusion period is over?

When a massive star exhausts its fuel for nuclear fusion, it may collapse under its own gravity, leading to a supernova explosion. The core of the star may then become a neutron star or black hole, depending on its mass.


What cataclysmic event is associated with the death of a star?

Nova and Supernova explosions. Which happens depends on the type and size of the star.A Nova explosion is a thermonuclear explosion occurring everywhere on the surface of an old star, in some situations multiple Nova explosions can happen over time on the same star if additional hydrogen is captured by the star.A Supernova explosion happens only in very high mass stars that have completely consumed all the fusion fuels in their core (which now consists of a plasma of the elements nickle and iron) and the core thus burns out. Without the heat of fusion to support the outer portions of the stat, it collapses. The end result of the collapse is a "rebound explosion" that blows the star apart and leaves one of two types of stellar remnants, depending on the mass of the star: a neutron star (a compact object composed of only neutrons) or a blackhole (a deep gravitational well into which all the mass of the star disappeared).


What is Rigel's life cycle?

Rigel, a blue supergiant star in the Orion constellation, is currently in its later stages of life. It is fusing heavier elements in its core and will eventually explode in a supernova event. This explosion will scatter its outer layers into space, leaving behind a dense core known as a neutron star or possibly a black hole.


Which is hotter the explosion of a thermonuclear bomb or the core of the sun and explain why?

The core of the sun is hotter than the explosion of a thermonuclear bomb. The core of the sun reaches temperatures of about 15 million degrees Celsius, while a thermonuclear bomb explosion reaches temperatures of several million degrees Celsius. The sustained fusion reactions in the sun's core maintain its high temperatures over long periods of time, making it hotter than a brief explosion from a bomb.


Why is Supernova 1987A particularly important to astronomers?

Supernova 1987A is important to astronomers because it is one of the closest observed supernovae in over 400 years, providing valuable insights into the final stages of a massive star's life cycle. Its proximity has allowed astronomers to study the explosion and its aftermath in great detail, contributing to our understanding of supernova events and their impact on the surrounding environment.

Related questions

How long does a supernova explode?

The initial explosion is over in seconds


A what is produced when the outer core of a star explodes after the core collapses?

A supernova occurs when the outer layers of a star explode after the core collapses. This explosive event releases a tremendous amount of energy and scatters elements into space, including heavier elements formed in the star's core during its lifetime.


What two things can be left over from a nova?

The two main items left over from a nova explosion would be the nova core and the nova remnants.


What does a massive supernova become?

If enough mass is left over after the supernova explosion, i.e. after material is blown off into space, the star will become a black hole. Less massive stars will become neutron stars. A neutron star can convert to a black hole later, if enough matter falls into it.


What type of objects do stars end their life as?

They will end up as neutron stars or even black holes. Usually they will first explode as a supernova (of type1a).


What is a guest star was that seen exploding over China in the year 1054?

A "guest" star is the name for the original star, before it exploded as a Supernova. Because the Supernova is the explosion and has no real physical relation to the Star, it is termed "guest" star.


Huge explosion that forms a nebula?

A huge explosion, such as a supernova, can release massive amounts of energy and matter into space. As the expanding debris cools and interacts with surrounding gas, it can form a nebula - a large cloud of dust and gas. Over time, this nebula may give rise to new stars and planetary systems.


When does a type 2 supernova begin to explode?

A massive red supergiant star will eventually explode as Type II supernova. That happens when the high mass star has run out of its nuclear "fuel". A series of nuclear fusion reactions finally ends at the nucleus of iron. A massive core of iron remains and iron can't be used to produce energy by nuclear fusion. The core collapses under gravity and the energy released throws the outer layers of the star into space in a supernova explosion. This is a Type II supernova. Sometimes it's referred to as a "core collapse" supernova, for obvious reasons. A bit more detail, if needed: A "high mass star" in this context is one with a mass of at least 8 times the mass the Sun. They develop into red supergiant stars. The mass of the iron core needs to be over the "Chandrasekhar mass" of about 1.4 times the Sun's mass. A core of that mass is unable to resist gravitational collapse. Depending on the mass of the iron core, collapse may stop at a "neutron star". Otherwise there is a complete collapse to a "black hole". See "Sources and related links", below.


How did the supernova come about?

Well in space there are billions of stars. Stars are like humans they are born, they live for a while and eventually die out. When a star reaches the end of its life it starts to produce elements in its core such as helium and other elements but when it produces IRON it has signed its death certificate, after just a few seconds after the star has produced iron it has a supernova. A supernova is the single most destructive force known to man. A supernova will destroy anything in its path. When the supernova is over all that is left is a white dwarf which is so dense that if you was to drop a sugar cube on its surface it would sink into its core thousands of miles deep. Hope I answered your question, if you have anymore questions reply back.


How does nature make gold?

Gold is created through a process called nuclear fusion in the core of massive stars, specifically during a supernova explosion. These explosions release the elements produced in the star's core, including gold, into space. Over time, these elements can be incorporated into other stellar systems and planetary bodies, such as Earth, where we can find gold deposits.


What cataclysmic event is associated with the death of a star?

Nova and Supernova explosions. Which happens depends on the type and size of the star.A Nova explosion is a thermonuclear explosion occurring everywhere on the surface of an old star, in some situations multiple Nova explosions can happen over time on the same star if additional hydrogen is captured by the star.A Supernova explosion happens only in very high mass stars that have completely consumed all the fusion fuels in their core (which now consists of a plasma of the elements nickle and iron) and the core thus burns out. Without the heat of fusion to support the outer portions of the stat, it collapses. The end result of the collapse is a "rebound explosion" that blows the star apart and leaves one of two types of stellar remnants, depending on the mass of the star: a neutron star (a compact object composed of only neutrons) or a blackhole (a deep gravitational well into which all the mass of the star disappeared).


What effect may a supernova have in a star?

Much, if not all of the material that makes up the star is expelled at extremely high speeds (up to 30,000 Km/s). The shockwave from this explosion destroys any planets or other stellar bodies within its region of influence. The shockwave also pushes all the gas and dust surrounding the star into a vast, roughly sphereical cloud, for example, 'Kepler's supernova remnant sn 1604'. This accumulation of gas and dust can can result in the growth of new stars as the gas and dust clumps together. The expelled material contains many higher mass elements such as nickel, cobalt and silicon and the material is the main source of elements heavier than oxygen which is the 8th element out of over 100 in the periodic table.