By Anonymous (not verified) | 7:09 PM CST, Sat February 01, 2025 Definition A celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun. Example Sentence Haley's comet is still one of the best known comets to have passed by earth since the 1980s. Audio Audio file Image Image Categories Nature Cosmology Language English