noun🔗ShareA celestial body consisting mainly of ice, dust and gas in a (usually very eccentric) orbit around the Sun and having a "tail" of matter blown back from it by the solar wind as it approaches the Sun."Last night, we learned in science class that comets are icy objects from space that sometimes develop bright tails when they get close to the sun. "astronomyspacephysicssciencephenomenaChat with AIVocabulary GamePractice Reading
noun🔗ShareA celestial phenomenon with the appearance given by the orbiting celestial body."Looking through the telescope, the student saw faint, glowing comets streaking across the night sky. "astronomyspacephenomenaworldnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareAny of several species of hummingbird found in the Andes."While hiking in the Andes, we hoped to spot some comets flitting amongst the high-altitude flowers. "animalbirdorganismChat with AIVocabulary GamePractice Reading
