Halley's Comet's Historic Close Approach

Halley's Comet made its closest approach to Earth, coming within 0.0342 AU (approximately 5.1 million kilometers). This astronomical event garnered significant attention, as it was visible to many cultures across different regions, generating awe and curiosity about celestial occurrences. Astronomers of the time would have been keen to observe its passage, marking this approach as a key moment in humanity's understanding of comets and their trajectories.