asteroid

A small rocky object that orbits the Sun, mainly found in the asteroid belt between Mars and Jupiter.

1. 1.

   A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.

   自然存在的固体天体,小于行星和矮行星,大于流星体,非彗星,绕恒星运行,常形状不规则

2. 2.

   Any member of the taxonomic class Asteroidea; a starfish.

   海星纲的任何成员；海星

3. 3.

   any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

   由岩石和金属组成的小型天体,绕太阳运行,主要位于火星和木星轨道之间

4. 4.

   In the Solar System, such a body that orbits within the orbit of Jupiter.

   太阳系中,在木星轨道内运行的天体

海星；自然存在的固体天体,小于行星和矮行星,大于流星体,非彗星,绕恒星运行,常形状不规则；海星纲的任何成员；海星；由岩石和金属组成的小型天体,绕太阳运行,主要位于火星和木星轨道之间；太阳系中,在木星轨道内运行的天体

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