Black hole information paradox

Black hole information paradox

Black hole information paradox gives us an idea about out universe is that there have a chance of restructure of our existing universe after destruction.

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Geometry of universe

General theory of relativity is related with the geometry of universe,
because general theory of relativiry explains how the space time is
curved to form space time curvature and bent by space and energy.

Cosmologists distuinguished global universe and observable universe.

Radiation

Radiation is transmitting of energy from a one medium to another
medium in a form of wave or particle.

There have several form of radiation.

These are,

Electromagnetic radiation

Particle radiation

Acoustic radiation

Gravitation

Depending upon the energy of radiated particles, radiation are in two types.

Ionizing radiation

Non Ionizing radiation