[ExI] wicked cool hubble deep space photo

[Anders Sandberg]

On 27/09/2012 01:42, spike wrote:
>
> Oh man, this is soooo cool, what a time to be alive:
>
> http://blogs.discovermagazine.com/badastronomy/2012/09/25/revealing-the-universe-the-hubble-extreme-deep-field/
>
>

And then there is this paper showing that the accretion disk of M87 
rotates with the central black hole, with an edge just 5 radii out:
http://web.mit.edu/newsoffice/2012/measuring-a-black-holes-event-horizon-0927.html
http://www.sciencedaily.com/releases/2012/09/120927144526.htm
https://www.sciencemag.org/content/early/2012/09/26/science.1224768

Of course, a more visually impressive image of M87 is
http://hubblesite.org/newscenter/archive/releases/2000/20/image/a/format/large_web/
http://hubblesite.org/newscenter/archive/releases/2000/20/image/a/
but the sheer *measurement* in the above paper is pretty impressive.

-- 
Anders Sandberg,
Future of Humanity Institute
Oxford Martin School
Faculty of Philosophy
Oxford University

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