Question

What happens when stellar black hole merge with supermassive black hole ?
Which energy will derived after merging . What radiation will comes from that ?

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Answer 1

Answer:

we expect them to release gravitational waves – fluctuations in the fabric of spacetime.

Explanation:

Supermassive black holes, with masses ranging from millions to billions of Suns, sit at the core of most massive galaxies across the Universe. ... When two supermassive black holes collide during a merger of galaxies, we expect them to release gravitational waves – fluctuations in the fabric of spacetime.