A comet is a celestial body made up of a nucleus, a TAIL, ICE, and dust. The crossword solutions for the term COMET PART include TAIL (4 letters), ICE (3 letters), HALLEY (6 letters), CLEANSER (8 letters), HALE (4 letters), AJAX (4 letters), BOPP (4 letters), and COMA (4 letters). The most famous comet is Halley's Comet, which was named after astronomer Edmond Halley. It is composed of a nucleus, a TAIL, ICE, dust, and gas. The TAIL is made up of dust and gas that is released from the nucleus as it approaches the sun. The COMA is the fuzzy area around the nucleus that is made up of gas and dust. The ICE is made up of frozen water, carbon dioxide, and other compounds. Finally, the CLEANSER is a type of comet that is made up of a mixture of dust and ICE.