Events Tagged: "comet"

King Arthur sees dragon in sky - fiery dragon appears as comet, Merlin interprets as prophecy of Arthur's greatness (Geoffrey of Monmouth)

Halley's Comet appears - visible for weeks, seen as omen of disaster, depicted in Bayeux Tapestry

Dragon-shaped comet over Constantinople - Byzantine chronicles record dragon comet before Black Death arrives

Alexis Clairaut uses perturbation theory to predict Halley's Comet return 618 days late

Halley's Comet returns exactly as Clairaut predicted, validating mathematical astronomy

Caroline Herschel becomes first woman to discover comet using mathematical orbital calculations