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GW190412: Merger of two unequal-mass black holes. 

  • IASbaba
  • April 27, 2020
  • 0
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GW190412: Merger of two unequal-mass black holes. 

Part of: GS Prelims and GS-III – Space

In News:

  • The gravitational wave observatories at LIGO scientific collaboration have detected a merger of two unequal-mass black holes for the first time since it started functioning.

Key takeaways:

  • The event is dubbed as GW190412
  • It was detected nearly a year ago. 
  • The event involved two black holes of unequal masses combining together. 
  • One of the black holes was around 30 times the mass of the Sun and the other had a mass nearly 8 times the sun’s mass.
  • The actual merger took place at a distance of 2.5 billion light years away.

Important value additions:

The Laser Interferometer Gravitational-Wave Observatory (LIGO) 

  • It is a large-scale physics experiment and observatory to detect cosmic gravitational waves and to develop gravitational-wave observations. 
  • It is the world’s largest gravitational wave observatory. 
  • It consists of two detectors situated 1,865 miles (3,002 kilometers) apart in isolated regions in the states of Washington and Louisiana. 

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