Halley’s Comet In 12 Questions
Halley’s Comet is one of the most famous comets in the world. It is a periodic comet, meaning that it orbits the Sun on a regular basis. 1P/Halley is visible to the naked eye from Earth every 75-79 years. When was Halley’s Comet first discovered? Halley’s Comet was first discovered in 240 BC by Chinese