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Now, a new image captured by the James Webb Space Telescope has revealed the closest and most detailed look inside the exploded star, according to astronomers. Analyzing the image could help ...
Boom.In the colossal Pinwheel galaxy, 25 million light-years away, a star has just exploded and is even visible through small telescopes. The supernova-hunting astronomer Koichi Itagaki discovered ...
The word supernova has the plural form supernovae (/-v iː /) or supernovas and is often abbreviated as SN or SNe. It is derived from the Latin word nova, meaning ' new ', which refers to what appears to be a temporary new bright star. Adding the prefix "super-" distinguishes supernovae from ordinary novae, which are far less luminous.
The Space Variable Objects Monitor is a small X-ray telescope satellite for studying the explosions of massive stars by analysing the resulting gamma-ray bursts, developed by China National Space Administration (CNSA), Chinese Academy of Sciences (CAS) and the French Space Agency , [45] launched on 22 June 2024 (07:00:00 UTC).
For the first time, astronomers have observed the final days and death throes of a red supergiant star before its final collapse and massive explosion into a
The degenerate explosion model predicts the production of about a solar mass of nickel-56 (56 Ni) by the exploding star. The 56 Ni decays with a half-life of 6.8 days to 56 Co, and the decay of the nickel and cobalt provides the energy radiated away by the supernova late in its history.
If Betelgeuse explodes, it will become as bright as the full moon in a matter of days and be visible during day time.
Later in its life, a low-mass star will slowly eject its atmosphere via stellar wind, forming a planetary nebula, while a higher–mass star will eject mass via a sudden catastrophic event called a supernova. The term supernova nucleosynthesis is used to describe the creation of elements during the explosion of a massive star or white dwarf.