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Yes, a mini black hole could potentially be used as an energy source, although it would be extremely difficult to position and manage. Professor Stephen Hawking pointed out once that a black hole the mass of a mountain would give off x-rays and gamma rays at a rate of about ten million megawatts, enough to power the Earth's electricity needs. Another system called the Penrose process could exploit energy of the angular momentum of the black hole to do work on infalling matter by accelerating it which could then be harnessed as a power source - eventually causing the black hole to lose mass and rotational inertia, and harvesting about a fifth of the black hole's mass as energy. Other theoretical propositions exist which could harness Hawking radiation near the event horizon; or exploiting the energy of waste matter by collecting it at the polar relativistic jets; or harnessing a charged black hole through current induction, or various other methods.

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Q: Could a mini black hole be used as an energy source?
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What is our black hole called?

The supermassive black hole at the center of our Milky Way galaxy may not have a formal name yet, but takes its identification from a powerful radio source "Sagittarius A*" (where the asterisk is part of the name). Because of the discovery of this energy source it's commonly believed a black hole must be located there, powering the emissions perhaps because of the black hole's accretion disk or relativistic jets.


Can energy escape thorght a black hole?

No, nothing can escape a black hole


Why can gamma rays exit a black hole although light can't?

Strictly speaking, gamma rays don't exit a black hole; they are electromagnetic radiation just like visible light - although they carry a higher energy - and neither light nor matter can exit a black hole. However, a black hole can cause gamma radiation to be created near it - for example, by processes at quasars or active galactic nuclei, which, powered by a supermassive black hole, can generate immensely powerful jets or beams which can accelerate particles to relativistic speeds, boost lower energy photons, and generate powerful x-rays and gamma rays. Another possible source of gamma rays is the so-called black hole evaporation, through which a black hole could potentially lose its mass and end its life with an explosive gamma burst.


Can black holes explode if they suck too much energy?

No. Any energy that enters a black hole simply becomes part of its mass. This only makes the black hole's gravity stronger.


Can dark energy counter a black hole's gravity?

May be but the one thing is for sure the gravity it self can escape a black hole.

Related questions

Can a black hole be an efficient energy source?

Not really because the intense gravity field prevents most of the energy escaping.


Could black holes be used as an energy source?

In principle, yes - a black hole emits LOTS of radiation when matter falls into it. In fact, quite a bit more, per kilogram, than the energy released in nuclear fission or nuclear fusion.


What is our black hole called?

The supermassive black hole at the center of our Milky Way galaxy may not have a formal name yet, but takes its identification from a powerful radio source "Sagittarius A*" (where the asterisk is part of the name). Because of the discovery of this energy source it's commonly believed a black hole must be located there, powering the emissions perhaps because of the black hole's accretion disk or relativistic jets.


Can energy escape thorght a black hole?

No, nothing can escape a black hole


Is there electricity in a black hole?

No. The only thing "in" a black hole is pure gravitational energy.


What form of enegry come from black holes?

Particles falling into a black hole release a large amount of x-rays as they do so. This is not energy from the black hole itself, but energy release that is a sign of a black hole.