noun🔗ShareAny member of the taxonomic class Asteroidea; a starfish"The marine biologist studied the asteroid's five arms carefully. "animalbiologyoceanastronomyChat with AIVocabulary GamePractice Reading
noun🔗ShareA naturally occurring solid object, which is smaller than a planet and is not a comet, that orbits a star"Scientists track the paths of asteroids in space to predict if any might get close to Earth. "astronomyspacesciencegeologyChat with AIVocabulary GamePractice Reading
noun🔗ShareIn the Solar system, such a body that orbits within the orbit of Jupiter"Astronomers track the paths of each asteroid to predict if any might get close to Earth. "astronomyspaceChat with AIVocabulary GamePractice Reading
