Eventually—over tens or even hundreds of billions of years—a white dwarf cools until it becomes a black dwarf, which emits no energy.

在几百亿年甚至几千亿年之后，白矮星最终冷却形成黑矮星，后者不再散发任何能量。

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Now, with Greece acting like a Black Dwarf, pulling the other troubled countries towards the orbit marked bailout, bond investors are starting to contemplate a total disaster scenario.

BBC: Italy: 'Hang on lads, I've got a great idea��'

"The fact that there's a very young cluster of stars indicates that the intermediate-mass black hole may have originated as the central black hole in a very low-mass dwarf galaxy, "Sean Farrell, of the Sydney Institute for Astronomy in Australia, said in a statement.

MSN: Rare Black Hole Survives Galaxy's Destruction

The Hubble Space Telescope recently spied a cluster of young blue stars surrounding a rare mid-weight black hole that suggests the black hole was once at the center of a dwarf galaxy.

MSN: Rare Black Hole Survives Galaxy's Destruction