Astronomer Feryal Özel on what the initial two images of black holes notify us

Astronomer Feryal Özel on what the initial two images of black holes notify us


Astronomer Feryal Özel is just one of the pioneers of black gap pictures. With two shots in the album, she describes what we have realized about these gravitational monsters – and what arrives up coming


21 June 2022

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Nabil Nezzar

A Couple of weeks back, we got our to start with search at a portrait of the mysterious behemoth at the centre of the Milky Way, the supermassive black hole acknowledged as Sagittarius A*. The image is an wonderful feat of astronomical endeavour, made possible thanks to a world-sized array of telescopes referred to as the Event Horizon Telescope (EHT). It was even tougher to seize than the earlier black hole photo taken by the EHT, which was the very first at any time. But it is also particular due to the fact this black gap is at the coronary heart of our property galaxy.

Feryal Özel at the College of Arizona was 1 of the initial people to arrive up with a way of photographing black holes and she is now a important member of the EHT collaboration. New Scientist caught up with her to uncover out what we have figured out from the newest picture, how it places our comprehending of gravity to the take a look at and what to assume up coming from the nascent discipline of black gap images.

Abigail Beall: What initial drew you to black holes?

Feryal Özel: When I started graduate faculty, astronomy was possessing a golden age. Component of that was the age of discovery of how black holes and neutron stars behave. Then I realised these are in essence intense laboratories in place. I can incorporate what I like about theoretical physics with this astounding information and check out items that we can not with a lab on Earth.

What is so mysterious about black holes?

Black holes have been, at very first, a mathematical build from Einstein’s principle of gravity, general relativity. When gravity is robust plenty of, the …

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