In some respects it resembles a 'C-type' asteroid, a primitive body left over from the formation of the solar system.

在某些方面，它类似于C型小行星，前身从太阳系形成中遗留下来。

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So Pluto should be a planet, as should Eris and the dwarf planet Ceres (the largest body in the asteroid belt between Mars and Jupiter), as well as many other objects.

这样看来，冥王星应该属于行星，就像厄里斯和矮行星谷神星(火星和木星之间的小行星带里最大的天体)，以及许多其他的物体也应如此。

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As one side of a rotating body (i.e. an asteroid) is heated by the sun's radiation, the surface rotating away from the sun will be warmer than the surface rotating into sunlight.

对于旋转的天体(例如小行星)而言，其一侧由于受太阳的辐射而会被加热，这样，即将离开阳光的那一侧的表面由于经过了阳光的照射而比将要进入阳光照射的一侧温度会高。

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And then there are asteroids, which JPL describes as "a relatively small, inactive, rocky body orbiting the sun" often in what are called asteroid belts.

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