Satellites,Natural

《英文msh詞典》Satellites,Natural
[同義詞] Satellites,Natural
[主題詞] Solar System
[中文釋義] 衛星,自然界
[英文釋義] The group of celestial bodies,including the EARTH,orbiting around and gravitationally bound by the sun. It includes nine planets,34 natural satellites,more than 1,000 observed comets,and thousands of lesser bodies known as MINOR PLANETS (asteroids) and METEOROIDS. (From Academic American Encyclopedia,1983)