The sun will never be a supernova - it is much too small. Only extremely large stars become supernovas. The sun will gradually burn out someday, and the ballpark for that is 3.5 to 4 billion years from now, though it will start to expand and redden some millions of years before that.
There are currently no stars in the Orion constellation showing signs of going supernova. If a star in the Orion constellation were to go supernova, it would likely be visible to us on Earth given Orion's proximity.
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No. A neutron star is left behind after a supernova. However, some gamma ray bursts may result from a collision between neutron stars.
No, only large stars go supernova when nuclear fusion breaks down. While white dwarfs can go supernova in some instances, brown dwarfs are failed stars which are not powered by nuclear fusion.
Elements present in a star just before it forms a supernova would include hydrogen, helium, carbon, oxygen, and iron. The star undergoes nuclear fusion to produce heavier elements in its core, leading to the buildup of iron which triggers the supernova explosion.
Under certain conditions, a large star can go supernova, and blast itself to smithereens. Our star (Sol, or Sun) cannot go supernova unless it would somehow 'capture' a white dwarf. This would be billions of years from now, so don't worry.
There are currently no stars in the Orion constellation showing signs of going supernova. If a star in the Orion constellation were to go supernova, it would likely be visible to us on Earth given Orion's proximity.
Never. A star must be about 10 times the mass of the sun or more to go supernova.
A supernova is an exploding star. The Earth would be instantly incinerated, of course. There is approximately zero chance this will ever happen, though. If there was a supernova near Earth ... it would depend on how near. Betelgeuse is a good candidate for a supernova "soon" (within the next million years or so). Scientists who have modeled supernova explosions don't expect it will have much of an impact. If a star nearer than Betelgeuse were to go supernova, then it might be more serious.
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Rock Star Supernova was created in 2006.
A star will become a supernova only once.However, a white dwarf can have multiple novaeruptions.See related questions
Currently, there is no real way of knowing when a star will go supernova within a few thousand to million years. There are signs, that a star will go supernova based on physics and observations but WHEN is a problem. A star will "pulse" in a "last breath" prior to going supernova, but like death itself, no one really knows, when that last breath will happen. Betelgeuse, is experiencing those "last breaths" but when it will happen, or has happened, we will not know until we see the brilleint outburst from Earth.
No. A neutron star is left behind after a supernova. However, some gamma ray bursts may result from a collision between neutron stars.
The gasses ejected from the supernova would probably transfer enough momentum to the black hole to blast it away from the exploding star. The black hole would gain some mass from the gasses.
No, only large stars go supernova when nuclear fusion breaks down. While white dwarfs can go supernova in some instances, brown dwarfs are failed stars which are not powered by nuclear fusion.
Elements present in a star just before it forms a supernova would include hydrogen, helium, carbon, oxygen, and iron. The star undergoes nuclear fusion to produce heavier elements in its core, leading to the buildup of iron which triggers the supernova explosion.