#OnThisDay the first perihelion passage of Halley’s Comet was documented by Chinese
#OnThisDay the first perihelion passage of Halley’s Comet was documented by Chinese astronomers in 240 BCE. Perihelion stems from the Greek “peri” meaning “near” and “helios” meaning “the Sun”. -- source link
#tagamemnon#lingua latina#classics#halleys comet#perihelion#astronomy#comets