There was a time when black holes were just a mathematical consequence of the equations of Einstein’s theory of gravity. Now we have two vivid portraits of these gravitational monsters – what have we learned?
. It was even harder to capture than the previous black hole picture taken by the EHT, which was the first ever. But it is also special because this black hole is at the heart of our home galaxy.
Feryal Özel at the University of Arizona was one of the first people to come up with a way of photographing black holes and she is now a key member of the EHT collaboration.caught up with her to find out what we have learned from the latest image, how it puts our understanding of gravity to the test and what to expect next from the nascent field of black hole photography.: When I started graduate school, astronomy was having a golden age.
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