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Does a supernova implode or explode to form a black hole?
It depends on the mass of the star. When massive stars die the result is usually an enormous explosion called a supernova, but the core will collapse to form a dense remnant. If the remnant is less than 3 times the mass of the sun then it will form a neutron star. If it is greater than 3 times the mass of the sun it will form a black hole. Extremely massive stars may collapse directly into a black hole with no supernova.
After a supernova the stellar core may remain as a?
After a supernova, the stellar core may remain as a neutron star or, for more massive stars, collapse into a black hole. Neutron stars are extremely dense, composed almost entirely of neutrons, while black holes have such strong gravity that not even light can escape from them.
What determines which stage occures after a supernova?
No one knows for sure, since there is not enough information to figure it out. After a supernova, the star will either turn into a black hole, a neutron star, or a pulsar. But, there is no scientific evidence that proves which one the star will turn into after a supernova.
What is the collapsed core of a supernova that only contains neutrons?
A collapsed core of a supernova that only contains neutrons is called a neutron star. Neutron stars are very dense, with a mass greater than the sun but compressed into a sphere only about 12 miles in diameter. They are supported by neutron degeneracy pressure, which prevents further collapse.
What is produced when the outer core of the star explodes after the core collapses?
Supernova
When the core in a giant star collapse it create what?
supernova
How long does it take a stellar iron core to collapse?
It takes only milliseconds for a stellar iron core to collapse when it reaches the end of its life cycle. This rapid collapse leads to a supernova explosion.
How long does it take for the core of a massive star to collapse once fusion ceases?
Once fusion ceases in a massive star, it takes only a few seconds for the core to collapse and undergo a supernova explosion.
Which event marks the beginning of a type II supernova?
The collapse of the star's core is the event that marks the beginning of a type II supernova. This collapse leads to the rapid release of energy, causing the outer layers of the star to be expelled in a violent explosion.
What makes a high mass star's core collapse?
A high mass star's core collapses when nuclear fusion ceases and gravitational pressure overwhelms the radiation pressure supporting the core. This collapse leads to a rapid increase in temperature and pressure, triggering a supernova explosion.
What is the estimated number of nutrinos released by the collapse of a supernova?
There are about 40 to 50 of neutrinos released by the collapse of a supernova. This is known as a massive star.
Does a supernova implode or explode to form a black hole?
It depends on the mass of the star. When massive stars die the result is usually an enormous explosion called a supernova, but the core will collapse to form a dense remnant. If the remnant is less than 3 times the mass of the sun then it will form a neutron star. If it is greater than 3 times the mass of the sun it will form a black hole. Extremely massive stars may collapse directly into a black hole with no supernova.
What metal causes the death of red giant?
The heaviest element that can be produced in the core of a massive star before it goes supernova is iron. Iron does not cause the death of a red giant, but rather the inability to continue nuclear fusion in its core, leading to its collapse and eventual explosion as a supernova.
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.
What happens to a massive star when its fusion period is over?
Once a star's nuclear fusion has ended, it will collapse inside its core and become what is known as a white dwarf. Its outer layers will shoot out into the universe as planet nebula. If they are very large, stars will explode into a Supernova and their core will collapse into a black hole.
How long does it take for a massive star's core to become iron from silicon?
The process of core collapse to form iron from silicon in a massive star can occur in a matter of days to weeks. This phase, known as core-collapse supernova, is an explosive event where the iron core rapidly collapses and rebounds, leading to the synthesis of heavier elements.
After a supernova the stellar core may remain as a?
After a supernova, the stellar core may remain as a neutron star or, for more massive stars, collapse into a black hole. Neutron stars are extremely dense, composed almost entirely of neutrons, while black holes have such strong gravity that not even light can escape from them.
