What is Kilonova?

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Recently, researchers have confirmed the detection of a star system that will one day end in a kilonova.

Why in news?

  • The newly found star system has been labelled CPD-29 2176 and is located about 11,400 light-years from the earth.
  • CPD-29 2176 is currently a neutron star and a star orbiting each other.

What is Kilonova?

  • A kilonova is a cosmic event that occurs when a neutron star smashes into another neutron star or a black hole.
  • It releases heavy metals like gold, silver, and selenium into outer space at tremendous velocities, as well as radiation.
  • A kilonova radiation also accompanies a gamma-ray burst, one of the most energetic cosmic events ever known.

What is a Neutron star?

  • The stars which are formed when a massive star runs out of fuel and collapses are called neutron stars
  • The very central region of the star – the core – collapses, crushing together every proton and electron into a neutron.


Q1) What is a black hole?

A black hole is a place in space where gravity pulls so much that even light can not get out. Gravity is so strong because matter has been squeezed into a tiny space.

Source:  Science for All | What is a kilonova?