noun🔗ShareComètesA 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. "Hier soir, nous avons appris en cours de sciences que les comètes sont des objets glacés de l'espace qui développent parfois de longues queues lumineuses lorsqu'ils se rapprochent du soleil.astronomyspacephysicssciencephenomenaChat with AIVocabulary GamePractice Reading
noun🔗ShareComètesA 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. "En regardant à travers le télescope, l'étudiant a vu de faibles comètes brillantes traverser le ciel nocturne.astronomyspacephenomenaworldnatureChat with AIVocabulary GamePractice Reading
noun🔗SharePlusieurs espèces de colibris des AndesAny 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. "En randonnée dans les Andes, nous espérions apercevoir des espèces de colibris voltigeant parmi les fleurs de haute altitude.animalbirdorganismChat with AIVocabulary GamePractice Reading