What Is a Black Hole?

Photographing a black hole
Its been a very thought-provoking year for Einstein; first the neutrino saga threatened his postulated upper reverberate to the speed of light, and now astronomers hope to use the Earth-sized Event celestial horizon Telescope to peer into the very heart of our galaxy and flip the first ever observations of a supermassive black hole, again interrogation the theory of relativity.
Tomorrow on Wednesday 18th January astronomers from nigh the worldly concern will gather in Arizona for a company on the technological means needed to make much(prenominal) observations, which only a few years ago would wee been considered an impossible task. As it is, operating such an enormous oscilloscope will require the co-operation of scientists from all corners of the globe.
If youve been keeping up with BBCs Stargazing Live, youll have seen Professor Brian Cox explaining the enigmatic inhabitants of the population that argon black holes. Countless observations of galaxies and other astronomical objects search to confirm their existence, but their very nature means that they are very shady characters (pun intended). Their intensely strong gravitational bowl means that not even light kitty flight their pull, resulting in an area of complete blackness.



Considering the inky darkness of the surround space, it is perhaps not surprising that they are so elusive.
So, how can we image such an object? Supermassive black holes can be up to billions of times the mass of stars like our sun, and create such an effect that they twist, knot and warp the environment around them. topic such as dust and interstellar gas swirls around such a hole, getting progressively faster and faster as it nears the centre. At such high speeds the matter slams unneurotic and compresses, and the incredible friction it experiences turns it into a scorching plasma - at temperatures around a billion degrees. These incredible temperatures cause the real to release energy and glow in a obtrusive way.
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