The remnants of the stellar core
What happens to a star after it explodes into a supernova?
The outer layers of the star are blown off in the explosion,
leaving a contracting core of the star
after the supernova. The shock waves and material that fly out from the supernova can cause the formation of new stars. … If the star was much bigger than the Sun, the core will shrink down to a black hole.
What comes after a supernova?
Answer: A neutron star that is left-over after a supernova is actually
a remnant of the massive star
which went supernova. … If the star is massive enough it can collapse directly to form a black hole without a supernova explosion in less than half a second.
Is it possible to see what is left behind after a supernova?
Supernova remnant,
nebula
left behind after a supernova, a spectacular explosion in which a star ejects most of its mass in a violently expanding cloud of debris. … The stars became bright enough to be visible in the daytime.
What star turns into a black hole?
When the core collapses, the blast wave slams into the dense material above, which thwarts the explosion. Instead of creating a supernova, the
star
implodes, forming a black hole.
Is supernova a dying star?
A supernova is
a massive explosion of a dying star
. The event occurs during the last evolutionary stages of a massive star, which is dying. The explosions are extremely bright and powerful. The star, after explosion, turns into a neutron star or a black hole, or is completely destroyed.
What happens after a star dies?
When the helium fuel runs out, the core will expand and cool. The upper layers will expand and eject material that will collect around the dying star to form
a planetary nebula
. Finally, the core will cool into a white dwarf and then eventually into a black dwarf. This entire process will take a few billion years.
When a very large star dies does it become?
THE DEATH OF A HIGH MASS STAR A dying red super giant star can suddenly explode. The explosion is called
a supernova
. After the star explodes, some of the materials from the star are left behind. This material may form a neutron star.
How long before a star goes supernova?
The explosion of a supernova occurs in a star in a very short timespan of
about 100 seconds
.
Will our Sun end its days as a supernova?
The Sun as a red giant will then… go supernova? Actually,
no
—it doesn’t have enough mass to explode. Instead, it will lose its outer layers and condense into a white dwarf star about the same size as our planet is now. … A planetary nebula is the glowing gas around a dying, Sun-like star.
What remains of a massive star after it explodes as a supernova what remains of a massive star after it explodes as a supernova?
The material that is exploded away from the star is now known as a
supernova remnant
. The hot material, the radioactive isotopes, as well as the leftover core of the exploded star, produce X-rays and gamma-rays.
Can you see a star burn out?
Probably not
. All of the stars you can see with the unaided eye lie within about 4,000 light-years of Earth. But the most distant ones are intrinsically brighter, have more mass and are therefore likely to die in rare supernova explosions.
What causes a star to go supernova?
It’s a balance of
gravity pushing in on the star and heat and pressure pushing outward from the star’s core
. When a massive star runs out of fuel, it cools off. This causes the pressure to drop. … The collapse happens so quickly that it creates enormous shock waves that cause the outer part of the star to explode!
What would happen if a neutron star hit a black hole?
When a neutron star meets a black hole that’s much more massive, such as the recently observed events, says Susan Scott, an astrophysicist with the Australian National University, “we expect that the two bodies circle each other in a spiral.
Eventually the black hole would just swallow the neutron star like Pac-Man
.”
How often can a star go supernova?
In a galaxy like our Milky Way, consisting of some 200 billion stars, there should be a supernova as often
as every 50 years
.
How does a supernova completely destroy a star?
A supernova does not completely destroy a star
. … It is the gravitational rebound that blows apart a star in a supernova. Falling rubber balls demonstrate the gravitational-rebound principle that leads to a supernova explosion. They also demonstrate why a core is always left behind in this kind of explosion.
