In simple words SUPERNOVA means a star that suddenly
releases extreme brightness because of a huge explosion that ejects most of its
mass. This is a simple definition about the supernova. Now I’m going to the in
depth explanation about supernova. I hope you’ll clearly understand and enjoy
it well.
Stars
are mostly made up of hydrogen, the and lightest element in the universe. The
enormous gravitational pressure of so much material compresses and triggers
nuclear fusion ( fusion means when two or more atoms combine to form a single
product, while the fission is disintegration or breaking of elements like
Uranium) in the star’s core. This process releases energy from the hydrogen
atoms and as a result of this process the star shine.
Over
many millions of years, fusion transforms hydrogen atoms into heavier atoms or
elements like Helium, Carbon and Oxygen, burning subsequent elements faster and
faster to reach the more heavier elements like Iron and Nickel. Now you’re
thinking that how it is, because all the elements in the periodic table are only
differ by the numbers of Electron, Proton and Neutron.
However,
at that point, nuclear fusion no longer releases enough energy and the pressure
from the core peters out. The outer layer collapse into the centre and bouncing
back from this sudden injection of energy. As a result the star explodes
forming supernova.
The
extreme pressure of a collapsing star is so high, that subatomic Protons and
Electrons are forced together in the core, forming Neutrons. In this way
positively charged Protons and negatively charged Electrons are collapsed to
form neutral Neutron.
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