Comet: Definition, Tails, Facts, Orbit, Visibility, Difference
Comets are small, icy celestial bodies orbiting the Sun in highly eccentric paths. These “dirty snowballs” consist primarily of dust and frozen gases like water, methane, and ammonia. Comet diameters range from a few to tens of kilometers. The Sun’s radiation causes a comet’s ices to vaporize as it approaches, creating a bright tail visible…