Asked By: Dennis Davis Date: created: Oct 13 2021

What causes a Hypernova

Answered By: Benjamin Butler Date: created: Oct 13 2021

A hypernova (alternatively called a collapsar) is a very energetic supernova thought to result from an extreme core-collapse scenario.

In this case a massive star (>30 solar masses) collapses to form a rotating black hole emitting twin energetic jets and surrounded by an accretion disk..

Asked By: Daniel Bennett Date: created: Nov 01 2021

What’s the nearest star of Sun called

Answered By: Jason Jenkins Date: created: Nov 01 2021

Alpha Centauri AOf the three stars in the system, the dimmest – called Proxima Centauri – is actually the nearest star to the Sun. The two bright stars, called Alpha Centauri A and B form a close binary system; they are separated by only 23 times the Earth – Sun distance.

Asked By: Justin Foster Date: created: Mar 26 2022

How long does supernova last

Answered By: Gordon Cooper Date: created: Mar 26 2022

The explosion of a supernova occurs in a star in a very short timespan of about 100 seconds. When a star undergoes a supernova explosion, it dies leaving behind a remnant: either a neutron star or a black hole.

Asked By: Dominic Hughes Date: created: Apr 09 2022

Will we see a supernova in 2022

Answered By: Bernard Simmons Date: created: Apr 11 2022

Molnar and his team determined that the stars would eventually collide, resulting in a kind of stellar explosion known as a “Red Nova”. Initially, they estimated this would take place between 2018 and 2020, but have since placed the date at 2022.

Asked By: Cole Flores Date: created: Mar 26 2022

What if a nearby star went supernova

Answered By: Gerld Bailey Date: created: Mar 27 2022

Any planet with life on it near a star that goes supernova would indeed experience problems. X- and gamma-ray radiation from the supernova could damage the ozone layer, which protects us from harmful ultraviolet light in the sun’s rays. The less ozone there is, the more UV light reaches the surface.

Asked By: Curtis Adams Date: created: Jun 01 2021

Can our sun go supernova

Answered By: Nathan Brooks Date: created: Jun 03 2021

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.

Asked By: Lewis Martinez Date: created: Jan 13 2022

Can Betelgeuse kill us

Answered By: Ryan Price Date: created: Jan 13 2022

No. Whenever Betelgeuse does blow up, our planet Earth is too far away for this explosion to harm, much less destroy, life on Earth. Astrophysicists say we’d have to be within 50 light-years of a supernova for it to harm us. Betelgeuse is nearly 10 times this distance.

Asked By: Jake Mitchell Date: created: Jun 09 2021

Can we predict supernovas

Answered By: Alexander Lee Date: created: Jun 11 2021

If Betelgeuse does go supernova soon, detecting the emitted neutrinos would “dramatically enhance our understanding of what’s going on deep inside the core of a supernova,” said Sam McDermott, a theorist with the Fermi National Accelerator Laboratory. It’s impossible to predict exactly when a star will go supernova.

Asked By: Jackson Campbell Date: created: Oct 20 2021

Why do stars explode when they die

Answered By: Eric Barnes Date: created: Oct 20 2021

Stars die because they exhaust their nuclear fuel. … Really massive stars use up their hydrogen fuel quickly, but are hot enough to fuse heavier elements such as helium and carbon. Once there is no fuel left, the star collapses and the outer layers explode as a ‘supernova’.

Asked By: Steven Rodriguez Date: created: Jan 04 2022

Does every star go supernova

Answered By: Ralph Wilson Date: created: Jan 06 2022

Supernovae add enriching elements to space clouds of dust and gas, further interstellar diversity, and produce a shock wave that compresses clouds of gas to aid new star formation. But only a select few stars become supernovae. Many stars cool in later life to end their days as white dwarfs and, later, black dwarfs.

Asked By: Aaron Davis Date: created: Apr 25 2021

How often do supernovas happen

Answered By: Peter Martinez Date: created: Apr 26 2021

every 50 yearsAlthough supernovae are relatively rare events, occurring on average about once every 50 years in the Milky Way, observations of distant galaxies allowed supernovae to be discovered and examined more frequently.

Asked By: Aaron Howard Date: created: Apr 12 2022

Is a supernova a dying star

Answered By: Miguel Hughes Date: created: Apr 12 2022

One type of supernova is caused by the “last hurrah” of a dying massive star. This happens when a star at least five times the mass of our sun goes out with a fantastic bang! Massive stars burn huge amounts of nuclear fuel at their cores, or centers. This produces tons of energy, so the center gets very hot.

Asked By: Jayden King Date: created: Feb 23 2022

Will a supernova destroy Earth 2022

Answered By: Harold Diaz Date: created: Feb 26 2022

Although they would be spectacular to look at, were these “predictable” supernovae to occur, they are thought to have little potential to affect Earth. It is estimated that a Type II supernova closer than eight parsecs (26 light-years) would destroy more than half of the Earth’s ozone layer.

Asked By: Reginald Martin Date: created: Apr 02 2022

What happens before a star dies

Answered By: Jeffery Richardson Date: created: Apr 03 2022

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.

Asked By: Jesse Richardson Date: created: Jan 26 2022

Would a supernova destroy Earth

Answered By: Gilbert Thomas Date: created: Jan 27 2022

A supernova is a star explosion – destructive on a scale almost beyond human imagining. If our sun exploded as a supernova, the resulting shock wave probably wouldn’t destroy the whole Earth, but the side of Earth facing the sun would boil away. … Clearly, the sun’s distance – 8 light-minutes away – isn’t safe.

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