A blazar is a type of galaxy that receives energy from a supermassive black hole. It is one of the most luminous and powerful objects in the universe.
It is known to emit highly energetic particles and radiation including gamma rays, X-rays and radio waves.
Researchers at the Indian Astronomical Observatory at Hanle in Ladakh have observed BL Lacertae, a blazar located about 950 million light-years away from Earth.
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