It's a straightforward animation that shows planets and asteroids orbiting the sun, with waves of twinkles as discoveries are made.

这是个简单明了的动画显示了行星和小行星绕太阳运转，伴随着所发现的电波和星光闪烁。

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These wandering stars, we now know, are the other planets orbiting the sun.

我们现在知道，这些漂移的行星是其他围绕太阳运行的行星。

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Planets orbiting stars beyond the sun are labelled merely with the name of the star and a suffix letter.

属于太阳以外恒星的行星们仅仅能得到该恒星的名称，外加一个后缀字母。

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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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Asteroids are large, irregular, rocky bodies orbiting the Sun roughly between Mars and Jupiter.

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Planets orbiting stars beyond the sun are labelled merely with the name of the star and a suffix letter.

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