event horizon
noun
: the surface of a black hole : the boundary of a black hole beyond which nothing can escape from within it
Examples of event horizon in a Sentence
Recent Examples on the Web
In 2012, physicists showed that this paradox is tightly linked to the nature of the event horizon.
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Matt Von Hippel, Quanta Magazine, 27 Aug. 2025
Matter that falls below an event horizon still exists; it's just locked away from view.
—Paul Sutter, Space.com, 25 Aug. 2025
Both are balancing art and commerce, and the event horizon of tech pulling their industries in new directions.
—Thomas Page, CNN Money, 14 Aug. 2025
Once at the black hole, the spacecraft would investigate whether the event horizon exists and whether the rules of physics change near a black hole.
—Jamie Carter, Forbes.com, 7 Aug. 2025
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Matt Von Hippel, Quanta Magazine, 27 Aug. 2025
Matter that falls below an event horizon still exists; it's just locked away from view.
—Paul Sutter, Space.com, 25 Aug. 2025
Both are balancing art and commerce, and the event horizon of tech pulling their industries in new directions.
—Thomas Page, CNN Money, 14 Aug. 2025
Once at the black hole, the spacecraft would investigate whether the event horizon exists and whether the rules of physics change near a black hole.
—Jamie Carter, Forbes.com, 7 Aug. 2025
See All Example Sentences for event horizon
Cite this Entry
“Event horizon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/event%20horizon. Accessed 10 Sep. 2025.
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