Its event horizon, the outer edge inside which not even light can escape from the black hole's gravitational pull, would be only about 7.5 million kilometres.

BBC: By BBC News Online Science Editor Dr David Whitehouse

At these energies and distances, gravity is not the dominant force in a black hole.

BBC: Artist's representation of a black hole,

Even if the EU elites have a desire to continue flinging billions of euros into the fiscal black hole that Greece has become, the taxpayers supplying those euros do not.

FORBES: Earth to Greece: It's Over

This kind of tech-induced time wasting is not new, but unlike the next big free app black hole which I predict will be 100 Floors Logos Quiz did get Kellaway thinking some worthwhile thoughts as she writhed in logo withdrawal on her office floor.

FORBES: Logos Quiz Game Snags Financial Times Editor, Dear Lucy columnist "Became a Slave"

Much of the time Roger looks either haunted or absent, not a black hole but a gray one.

WSJ: Film Reviews: 'Greenberg,' 'The Girl With the Dragon Tattoo,' 'The Art of the Steal,' Repo Men'

However, even if the ball of plasma is a black hole, it is not thought to pose a threat.

BBC: Artist's representation of a black hole,

Critics have called Guantanamo Bay a legal "black hole" for detainees who the United States says are not protected as prisoners of war under the Geneva Conventions.

CNN: 9/11 suspects decline representation

It's not because there was a black hole and you needed more money and therefore investment income is the best way to plug it.

BBC: John Swinney interview transcript

It was that pulsars are rotating neutron stars, the super-dense last stage of collapse of a star not quite heavy enough to form a black hole.

ECONOMIST: Obituary