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Deep Space

What is an accretion disk?

Often found around a star or black hole, we find out what an accretion disc is

Deep Space

Astronomers baffled by a radio ‘echo’ detected from distant galaxy

13 days after an X-ray emission was detected from a distant galaxy, an almost identical radio signal was detected

News

Space telescope maps star’s ‘death spiral’ into a black hole

Some 290 million years ago, a star much like the Sun wandered too close to the central black hole of its galaxy

News

Astronomers discover massive black hole choking on stardust

Data from NASA’s Swift spacecraft, amongst other telescopes, suggest black holes swallow stellar debris in bursts

News

Starving black hole causes galaxy to dim

The mystery of a rare change in the behaviour of a supermassive black hole at the centre of a distant galaxy has been solved

News

Gravitational vortex discovered around black hole

“It is a bit like twisting a spoon in honey”

News

Exceptionally bright black hole with manners questions theory

It eats amazingly tidily and it’s way too luminous for its mass. That’s two things about the Pinwheel Galaxy’s black hole ULX-1 that could change our understanding of these high gravity objects.

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