Will the sun explode?
All stars die, some more violently than others.
Astronomy
Jan 6, 2014
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News tagged with progenitor star
Merger between two stars led to blue supergiant, iconic supernova
A supernova in a nearby galaxy may have originated from an explosion of a blue supergiant formed by the merger of two stars, simulations by RIKEN astrophysicists suggest. The asymmetric nature of this explosion may provide ...
Astronomy
Mar 19, 2020
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New supernova remnant lights up
(PhysOrg.com) -- In 1987, light from an exploding star in a neighboring galaxy, the Large Magellanic Cloud, reached Earth. Named Supernova 1987A, it was the closest supernova explosion witnessed in almost 400 years, allowing ...
Astronomy
Jun 8, 2011
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11.5 billion years old: Stellar archaeology traces Milky Way's history
(Phys.org) -- Unfortunately, stars don't have birth certificates. So, astronomers have a tough time figuring out their ages. Knowing a star's age is critical for understanding how our Milky Way galaxy built itself up over ...
Astronomy
May 30, 2012
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Astronomers discover light echo from supernova
(Phys.org) —Astronomers have discovered light echoing off material surrounding a recent supernova explosion, SN 2009ig. The dust and gas that are reflecting the light are so close to the eruption center that it is likely ...
Astronomy
Jun 4, 2013
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Exploring the magnetic personalities of stars
(PhysOrg.com) -- Massive stars are inherently violent creatures-they burn, they churn, they turn, all the while creating and held hostage by constantly changing magnetic fields of almost unfathomable strength.
Astronomy
Mar 4, 2011
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Lurking bright blue star caught—The last piece of a supernova puzzle
A team led by Gastón Folatelli at the Kavli IPMU, the University of Tokyo, has found evidence of a hot binary companion star to a yellow supergiant star, which had become a bright supernova. The existence of the companion ...
Astronomy
Sep 11, 2014
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Resurrected supernova provides missing link between two types
Astronomers have discovered a supernova exhibiting unprecedented rebrightening at millimeter wavelengths, providing an intermediate case between two types of supernovae: those of solitary stars and those in close-binary systems.
Astronomy
Mar 2, 2023
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Hubble sees the remains of a star gone supernova
(Phys.org) —These delicate wisps of gas make up an object known as SNR B0519-69.0, or SNR 0519 for short. The thin, blood-red shells are actually the remnants from when an unstable progenitor star exploded violently as ...
Astronomy
May 3, 2013
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Observationally confirmed supernova explosion of a yellow supergiant star
Observational results of the Hubble Space Telescope announced in March 2013 confirmed the theoretical prediction by the Bersten team at the Kavli Institute for the Physics and Mathematics of the Universe that the yellow supergiant ...
Astronomy
Apr 5, 2013
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