The Space Doctor on Instagram: "Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years.It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply Halley. Astronomers have now linked the comet's appearances to observations dating back more than 2,000 years. Halley was last seen in Ear

Space & Universe on Instagram: "Halley’s comet ☄️ is one of the most famous celestial objects in human history-and for good reason. It’s a short-period comet that returns to Earth’s skies roughly every 76 years, making it visible multiple times in a single human lifetime. • Last seen from Earth in 1986, it will return in 2061. • It’s the only known comet that can appear twice in a person’s lifetime. • When it approaches the Sun, solar heat vaporizes its icy surface, forming a brilliant tail that