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Imaging a Black Hole

23 February 2017

At https://phys.org/print406804023.html … scientists, we are told, are in the process of making an image of a black hole. It seems a black hole cannot be photographed (which is why only simulations of black holes have been produced to date). In the hypothetical black hole scenario light cannot reflect or escape. One might argue that has been convenient for the continued faith in the existence of black holes. Light cannot escape the grasp of a black hole and therefore there is no light to see – a perfect storm if you like. What scientists want to do instead is capture the light that surrounds the lip of a black hole – or event horizon as it is known. Hence, we are going to get a ring around a black blob (see also www.eventhorizontelescope.org)

At https://phys.org/print406803317.html … we learn the universe has a lithium problem (but not a lot of people would have known that). The Big Bang theory requires three times as much lithium as can be observed currently by scientists. They have had a think about it and have come up with a solution. Big Bang behaved slightly differently.

At https://phys.org/print406799300.html … UK scientists at the edge of space – doing research. Sounds like a bit of PR and a plea for funds.

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