Few comets can rival the legendary Halley's Comet in popularity and media coverage. When was it last observed?
Answer 1986
Halley's Comet is a periodic comet that approaches Earth about every 75 years, theoretically allowing a person to see it with naked eye twice during their lifetime. It was last observed in 1986 and is expected to return in 2061.
Asked by Vasilii Kulev · Last updated 4 years ago · 2.3K views · SOURCE