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Astronomers predict that a “new star” will become visible after an explosive event in the Northern Crown constellation, and it could happen anytime.
Astronomers studying the site of a supernova seen 843 years ago have captured an image of the strange filaments left behind by the stellar explosion.
Multiple telescopes observed a rare cosmic explosion called a kilonova that created heavy elements in space, including some necessary for life. Explosion 1 million times brighter than the Milky ...
A super-luminous supernova (SLSN, plural super luminous supernovae or SLSNe) is a type of stellar explosion with a luminosity 10 or more times higher than that of standard supernovae. [1] Like supernovae , SLSNe seem to be produced by several mechanisms, which is readily revealed by their light-curves and spectra .
In the intermediate width case, the ejecta from the explosion may be interacting strongly with gas around the star – the circumstellar medium. [31] [32] The estimated circumstellar density required to explain the observational properties is much higher than that expected from the standard stellar evolution theory. [33]
It is a type of stellar explosion that ejects material with an unusually high kinetic energy, an order of magnitude higher than most supernovae, with a luminosity at least 10 times greater. Hypernovae release such intense gamma rays that they often appear similar to a type Ic supernova , but with unusually broad spectral lines indicating an ...
Astronomers have found evidence that a neutron star exists at the centre of the only exploding star – supernova – visible to the naked eye in the last 400 years, solving a 30-year-old mystery.
This includes the most distant spectroscopically confirmed supernova at a redshift of 3.6, indicating its explosion occurred when the universe was merely 1.8 billion years old. These findings [42] offer crucial insights into the early universe's stellar evolution and the frequency of supernovae during its formative years.