black hole

1. A place of punitive confinement; a lockup or cell; a military guardroom.

2. A region of spacetime that exerts a gravitational pull strong enough that no matter or energy, not even light, can escape it.

3. (figuratively)A void into which things disappear for good; an inscrutable area or subject.

4. A dangerous optical illusion that can occur on a nighttime approach with dark, featureless terrain between the aircraft and a brightly-lit runway, where the aircraft appears to the pilots to be higher up than it actually is, potentially triggering a premature or overly-steep descent and a crash short of the runway.

5. (Internet, attributive, often)A place where incoming traffic is silently discarded.

   One way of fighting spam is to use a blackhole list maintained on a blackhole server.

6. A bit bucket; a place of permanent oblivion for data.

1. Do you know what a black hole is?

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2. It's a black hole.

   ruЭто чёрная дыра.

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3. Does every black hole create a new universe?

   Чи кожна чорна діра створює новий всесвіт?

   ruКаждая чёрная дыра создаёт новую вселенную?

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4. Do black holes exist?

   Чи існують чорні діри?

   ruСуществуют ли чёрные дыры?

   deExistieren schwarze Löcher?

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5. Tom was swallowed by a black hole.

   Тома проковтнула чорна діра.

   ruТома поглотила черная дыра.

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