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Quarsar (

Quarsar is form when smaller galaxies which normally have blackholes in the center collide. Black holes merge and become a super massive black hole. Particles stream like jets emitting above and below the black hole.

Quarsar are amongst the most energetic, luminous and powerful objects in the universe. It discharges about 1000 times the energy output of the Milky Way, which has 200 to 400 billion stars. The radiation produced is across the electromagnetic spectrum from X-rays to infrared. ( &