Astronomers have uncovered a near-record breaking supermassive black hole, weighing 17 billion suns, in an unlikely place: in the center of a galaxy in a sparsely populated area of the universe. The observations, made by NASA’s Hubble Space Telescope and the Gemini Telescope in Hawaii, may indicate that these monster objects may be more common than once thought.
http://www.nasa.gov/feature/goddard/2016/behemoth-black-hole-found-in-an-unlikely-place
http://www.nature.com/articles/nature17197.epdf?referrer_access_token=jZFjVuavY4sFZDcnfrifX9RgN0jAjWel9jnR3ZoTv0M8dYm2lBAd2r3Ud0mYLBEBDLARq1Ad2a89qCCRGzs6Zn7G1ewx13pSpJNvVsFVPX4B2ePADEeZ59KxSwXOSpuRBDe8rxj2DPyPBIQ9t3K4IjMbokeaXjKHVDpJXs5jl_Q4o9WxMIZfzfivlWubDqmFeMCYAqe2dIdXC46Z3me9MHAn3ne9W1B9WsIF7ZCGUDkIrWgwUmVXw1-CfMwVLzcz&tracking_referrer=www.scientificamerican.com
I think that would be stretching the evidence a bit. Also, blackholes (BHs) don't equal wormholes (WHs), so just detecting the BH is not enough. First of all the BH was inferred by spectroscopic measurements of parts of NGC1600, by turning those light curves into rotation velocities, then using that data to predict the size of the mass needed at the center of the galaxy to produce that rotation. They gave 17 billion solar masses with a 68% confidence level. Would you jump off a bridge if you knew that the bungee cord only had a 68% chance of holding your weight? So, I would claim this is not rock hard. They did say the had a 99% confidence of the BH being at least 10 billions solar mass...so still a large BH. Most BHs of this mass are in quasars, so even if it was associated with a wormhole you would end up in a very radiation rich environment and would not last very long. The BH (or multiple BHs) in NGC 1600 is remarkable in that is seems to be dormant and has thrown most of the stars away from it. Or perhaps it is actually not a BH but dark matter, or another weird object yet to be observed.
In any case, a "traversable" WH (one where you could go back and forth) is likely not possible as it requires a form of "exotic" matter to create a stable WH. Attached is a good review of WH physics and a bit on why it is probably not possible to create or find a real traversable WH.
Hope this is useful.
Cheers,
Kirk
The existence of a 17B M☉ black hole would mean that the universe contains more extreme gravitational physics than we previously knew about, in a region that a human could theoretically enter without being immediately shredded by tidal forces at the horizon .... but it doesn't suggest that the region inside the horizon contains a traversable wormhole, or that an infalling person wouldn't then just be shredded by tidal forces some time after entering, once they'd gotten closer to the centre.
Think of the trip through a monster black hole's horizon as being similar to falling through a very large trap door over a very deep water-well with tapered sides. The large size of the doorway means that you can fall though the doorway comfortably without touching the sides or being immediately crushed to death, but it doesn't mean that there's any other exit from the well, or that you won't be crushed by the narrowing walls later in the fall.
Black holes are not the same as black holes- therein lays the misunderstanding.
Perhaps this video will help explain both black holes and the existence of dark matter using the same principles
https://youtu.be/8I9LQfWY6pA
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