event horizon
Subject: SCIE / Astronomy
| Language | Term |
| Arabic - AR | أفق الحدث |
| DE - German | Ereignishorizont |
| EN - English | event horizon |
| ES - Spanish | horizonte de sucesos |
| FR - French | horizon des événements |
| IT - Italian | orizzonte degli eventi |
| PT - Portuguese | horizonte de eventos |
| RU - Russian | горизонт событий |
| ZH - Chinese | 事件视界 |