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单词 event horizon
释义
event horizon
noun[C]
uk
/ɪˌvent həˈraɪ.zən/us
/ɪˌvent həˈraɪ.zən/
physicsspecialized
theouteredgeof ablackhole, beyond which nothing,includinglight, canescape:
事界，视界（即黑洞表面）
Anything thatfallsthrough theeventhorizoneffectivelydisappearsfrom theuniverse.任何落入视界的东西在实际上都从宇宙中消失了。
More examples
  • It was Stephen Hawking whointroducedtheideaof theeventhorizon.
  • Bydetectingvery littleenergyfrom theseblackholecandidates, we have newproofthateventhorizonsexist.
  • Drop abookthrough ablackhole'souteredge,knownas theeventhorizon, and,accordingto Einstein'stheoryofgravitation, it never gets out.
  • To anoutsideobserver, theblackholebeginsat what isknownas theeventhorizon, animaginaryspheremarkingthepointof noreturn.
  • If theenergysimplydisappeared, then the mostlikelyexplanationis that it wassuckedinto theeventhorizonof ablackhole.
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(Definition ofevent horizonfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofevent horizon

event horizon
It also appears as if information can't be reflected at theeventhorizonas there is nothing special about it locally.
From
Wikipedia
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In other words, no time passes inside theeventhorizonof the moving body.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
It was ring-shaped, with a wateryeventhorizon.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
The entropy of a black hole is proportional to the surface area of the black hole'seventhorizon.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
Breaking this entanglement would release inconceivable amounts of energy, thus creating a searing black hole firewall at the black holeeventhorizon.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
A 106 km telescope would be able to see free oxygen lines in planetary atmospheres near the pseudoeventhorizon.
From theCambridge English Corpus
Nevertheless, every so often, a virtual particle pair will spontaneously appear that straddles theeventhorizonof the black hole.
From theCambridge English Corpus
Now, imagine one of the particles were to cross theeventhorizonof the black hole.
From theCambridge English Corpus
We now need to discuss what happens when quantum systems, particularly quantum entangled systems, cross theeventhorizonof a black hole.
From theCambridge English Corpus
Does it depend upon the existence of some sort ofeventhorizon?
From theCambridge English Corpus
Our descendants can reach the pseudoeventhorizonbut no further.
From theCambridge English Corpus
Even though these tree grammars are still context-free, they clearly have a largereventhorizon, establishing a restricted form of look-ahead.
From theCambridge English Corpus
Part of the quantum system crosses theeventhorizonof the black hole.
From theCambridge English Corpus
For example, it is conceivable, as demonstrated with the case of anti-correlated particles, that an object may be quantum-entangled with another that is inside a black hole'seventhorizon.
From theCambridge English Corpus
Vanishing point at theeventhorizon.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/event-horizon##
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更新时间：2025/2/10 21:20:03