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Could Supermassive Black Holes At The Center Of Galaxies Be Wormholes?

team of theoretical physicists from Fudan University, Shanghai, have suggested a very interesting theory; supermassive black holes at the middle of usual galaxies, counting our own Milky Way Galaxy, may not really be black holes at all. As an alternative, they might be wormholes. The paper describing their theory has been issued as a preprint edition and will be soon accessible in General Relativity and Quantum Cosmology. Wormholes, even though, have not yet been confirmed to be real, are speculated to be channels, among any of different parts of the universe or even two different universes in a Multiverse model.
Image Credit: Alain R, via Wikimedia Commons

Wormholes consist of two mouths, which might be black holes, interrelated by a throat. The chance of their reality was even proposed by Einstein and his theory of general relativity mathematically forecasts their existence. Sagittarius A* (SgrA*) was first detected back in 1974 as an entity at the center of the Milky Way Galaxy that was establish to be releasing radio waves. Further study of SgrA* exposed significant signs that the object was a black hole, for example the activities of close stars, and astrophysicists have been committed to this grouping ever since. Even if we cannot see a black hole openly since light is incapable to get out, they can be identified by other means. For instance, interpretations of SgrA* expose plasma orbiting near the event horizon. If SgrA* was a wormhole we would also supposed to see orbiting plasma blobs, but, they should diverge in appearance since wormholes are expected to be smaller than supermassive black holes. 

Moreover, wormholes could help to explain the puzzle that even young galaxies are prepared with entities that are supposed to be supermassive black holes. These black holes would take a significant length of time to attain such size; theoretically they should not and cannot exist in new galaxies, agreeing to the writers of this paper.

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