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Mysterious cosmic explosion surprises astronomers studying the distant x-ray universe
cosmic explosion astronomers distant x-ray universe
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2017/4/27
A mysterious flash of X-rays has been discovered by NASA’s Chandra X-ray Observatory in the deepest X-ray image ever obtained. This source likely comes from some sort of destructive event, but it may ...
Nearby massive star explosion 30 million years ago equaled detonation of 100 million suns
massive star explosion 30 million years ago detonation of 100 million suns
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2016/5/6
A giant star that exploded 30 million years ago in a galaxy near Earth had a radius prior to going supernova that was 200 times larger than our sun, according to astrophysicists at Southern Methodist ...
What is 10 miles across,but powers an explosion brighter than the Milky Way?（图）
10 miles across explosion brighter the Milky Way
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2016/1/22
Right now, astronomers are viewing a ball of hot gas billions of light years away that is radiating the energy of hundreds of billions of suns. At its heart is an object a little larger than 10 miles ...
What is 10 miles across,but powers an explosion brighter than the Milky Way?
10 miles across explosion brighter the Milky Way
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2016/2/22
Right now, astronomers are viewing a ball of hot gas billions of light years away that is radiating the energy of hundreds of billions of suns. At its heart is an object a little larger than 10 miles ...
Lepton flavor violating New Physics and supernova explosion
Lepton flavor violating New Physics supernova explosion
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2011/1/13
Electrons and electron neutrinos in the inner core of the core-collapse supernova are highly degenerate and therefore numerous during a few seconds of explosion. In contrast, leptons of other flavors ...
Quark nova imprint in the extreme supernova explosion SN 2006gy: the advent of the Quark Star
Quark nova imprint the extreme supernova explosion SN 2006gy
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2011/1/11
The existence of quark stars has until now been purely hypothetical. In this work, we uncover undeniable evidence of these exotic objects with far reaching implications to various branches of physics ...
The revival of an explosion mechanism of massive stars - the quark hadron phase transition during the early post bounce phase of core collapse supernovae
Core collapse supernovae protoneutron stars general relativity radiation hydrodynamics
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2010/11/16
We explore explosions of massive stars, which are triggered via the quark hadron phase transition during the early post bounce phase of core collapse supernovae. The onset of quark matter is favored u...
Using the X-ray Morphologies of Young Supernova Remnants to Constrain Explosion Type, Ejecta Distribution, and Chemical Mixing
methods data analysis supernova remnants techniques image processing X-rays ISM
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2010/11/10
Supernova remnants (SNRs) are a complex class of sources, and their heterogeneous nature has
hindered the characterization of their general observational properties. To overcome this challenge,in thi...
Evolution of gaseous disk viscosity driven by supernova explosion. II. Structure and emissions from star-forming galaxies at high redshift
gaseous disk viscosity driven supernova explosion
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2011/1/10
(Abridged) High redshift galaxies are undergoing intensive evolution of dynamical structure and morphologies. We incorporate the feedback into the dynamical equations through mass dropout and angular ...
Unusual Explosion Sparks New Insight Into the Life of Stars（图）
Unusual Explosion Sparks New Insight the Life of Stars
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2009/11/24
Scientists in California have discovered a new way that stars explode, in research funded by the National Science Foundation (NSF).The discovery hinges on an unusual explosion in the galaxy NGC 1821, ...
Quark-Nova Explosion inside a Collapsar：Application to Gamma Ray Bursts
Quark-Nova Explosion Collapsar Gamma Ray Bursts
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2009/9/4
If a quark-nova occurs inside a collapsar, the interaction between the quark-nova ejecta (relativistic iron-rich chunks) and the collapsar envelope leads to features indicative of those observed in Ga...
Supernova Type II：Magnetorotational Explosion
Supernova Type II Magnetorotational Explosion
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2009/6/16
Supernova Type II：Magnetorotational Explosion。
Is the supernova remnant 3c400.2 The result of a single supernova explosion?
supernova remnant 3c400.2 explosion
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2009/6/11
Is the supernova remnant 3c400.2 The result of a single supernova explosion?