What can we truly see inthe first imageof a black hole?

Previous week scientists made the first everpicture of a black hole unlocking the secrets about one of universe’s paramount mysteries. In fact what claims to be a photo is actuallynot a photo of a black hole.

Scientists created an actual image of the black hole observing Messier 87, a galaxy millions of light years far away. Even though the image is mistaken as a photograph it is a reportproducedby the Event Horizon Telescope (EHT) project. The EHT collected data to produce the image making use of a grid of eight telescopes around the world, which were stationed on the ground. Since it is practically impossible for light to escape from a black hole because of the strong gravitational field, the black hole remains un-seeable. What the human eye can actually perceive is the event horizon. The EHT was incapable of producing an image of a black hole it wasspottinglocated at the center of our galaxy, The Milky Way. Given that Messier 87 is far away,due to its larger size, scientist could observe it at ease.The black hole is 55 million light years away from the Earth. It is larger than the whole solar system is approximately about 100billion km wide and hasamass 6.5 billion times that of our sun.


So what exactly is this Event horizon?

The golden ring formed at the instance when an object coming towards a black hole reaches a point of no return not being able break free from its gravitational pull, is the event horizon.As first termed by Stephen Hawking, objects that pass through the event horizon are supposed to undergo a process called spaghettification,where the objects, like a piece of pasta, will be stretched out by gravitational forces.


Hole in the black hole?

Professor of radio astroparticle physics andastronomy at Radboud University in Nijmegen, HeinoFalcke, who holds the chair of the EHT states that the image shows thesurrounding glow of the event horizonsilhouettedagainst the hole in the center created by all of the matter being sucked up into the hole. At the centreof the black hole all matter is crushed into an infinitely small space, a state called gravitational singularity.

What use is this for physics?

Producing a picture of a black hole was something thought to be impossible, beforehand. The EHT project has leapt a step forward in the understanding black holes, whosepresence, scientists has been trying to prove for so long. The picture will aid physicists comprehend how black holes work better than everThe pictures of the event horizon are for the most partcrucial for challenging the theory of general relativity.

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