<ul><li>The event horizon is an invisible shell around a black hole, marking the point where gravity is so intense that not even light can escape.</li><li>Once you cross the event horizon, there is no going back, not even for light or a spaceship, due to the intense gravity.</li><li>The size of an event horizon depends on the mass of the black hole, and tidal forces are less intense in more massive black holes.</li><li>In 2019, the Event Horizon Telescope captured the first image of a black hole's shadow, proving the existence of event horizons.</li></ul>

️ What Is the Event Horizon?

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