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 Post subject: First black hole image
PostPosted: Thu Apr 11, 2019 3:07 pm 
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Joined: Mon Jan 09, 2006 11:05 am
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Location: Lancashire
This is an historic week for astrophysics, as the first image of a black hole has been released. The super-massive black hole in question resides at the centre of the giant elliptical galaxy, M87, in Virgo.
The image was contained in 6 square metres of hard drives, involving 200 scientists from 40 countries, and two years of processing. A bevy of huge global radio telescopes, known collectively as the Event Horizon Telescope, used interferometry to yield the final image. The observation is a further confirmation of Enstein's theory of gravitation.
The next test is to image the much smaller, but nearer, black hole, Sagittarius A*, at the centre of the Milky Way: https://www.bbc.co.uk/news/science-environment-47891902 .

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