Halley’s Comet Observation Tablet

Halley’s Comet comes round every 75.32 years, it last graced the skies of Earth in 1986 and will next be seen by human eyes in 2061. The comet was named after Sir Edmond Halley (to rhyme with ‘valley’, not with ‘daily’) because he was the first person to notice the periodicity of the comet, and…