Saturday, 13 April 2019

Black hole vision

Earlier in the week on the 10th of April, a picture of the "Event Horizon" of a giant "Black hole" called Messier 87 was revealed to the general public. April will go down in history as the month we saw a black hole. The trouble is that it is impossible to see a black hole itself because it pulls light in so all you would see is a black void. Infact the inner edge of the "Event Horizon" would also be invisible because the Event Horizon is the area of gravity that overpowers light.

It may be possible in the future to see a black hole because you don't need light to see things. I saw my unborn baby using a device that can see sound waves. Bats and dolphins can see sound. Radar machines can see radio waves, night vision cameras can see infra red light.

The only thing I know can escape a black hole is gravity itself. (I don't know what hawing radiation is).  If you could measure tiny changes in gravity around a black hole then you would be able generate a picture, however gravity always seems to crush large objects into the shape of a sphere so that is probably what we would see.

I often wonder why they didn't call it a black sphere because that is the shape it probably is.

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