Meaning of antihorizon | Babel Free

Definitions

The opposite of an event horizon, allowing escape but not entry.

Examples

“White holes must therefore be surrounded by the opposite of an event horizon, something known as an antihorizon, which would allow⟳ one-way traffic out and never in. Unfortunately, antihorizons are very unstable and get⟳ converted to normal horizons in a matter⟳ of seconds after forming.”

“The Kruskal diagram of the Schwarzschild geometry showed it to possess⟳ not only a normal horizon but also an antihorizon, beyond which there was, supposedly, another Universe.”

“To distant observers the light⟳ appears, due to gravitational time dilation, to slow down as it approaches the antihorizon.”

CEFR level