the solar system

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相关例句：

Saturn is the second biggest planet in the solar system.(土星是太阳系的第二大的行星。)

The solar system also has two analogous classes of objects, smaller than planets—namely, asteroids and comets.(太阳系也有两类类似的物体，比行星还小——即小行星和彗星。)

If we want to survive as a species, we have to expand into the solar system and likely beyond.(如果我们希望作为一个物种生存下去，就必须扩张到太阳系之中或超越太阳系。)

"And what is the Solar System?" asked the librarian.(“那么什么是太阳系呢？”管理员又问。)

At the heart of the solar system is our sun.(位于太阳系中心的是我们的太阳。)

In Astronomy, for example, the distinction between the solar system and the universe wasn't clear until modern times.(例如，在天文学中，太阳系和宇宙两者的区别直到现代才被弄清楚。)

The spacecraft will enable scientists to study some dark corners of the solar system.(太空船使得科学家可以研究太阳系中一些不为人知的角落。)

Jupiter, Saturn, Uranus, and Neptune. Those are the gas giants, the four heavyweights of the solar system. But was there once a fifth?(木星、土星、天王星和海王星。这些都是气体行星，是太阳系的四个重量级。但曾经存在第五个行星吗？)

The surface of Mars shows a wide range of geologic features, including huge volcanoes—the largest known in the solar system—and extensive impact cratering.(火星表面显示出广泛的地质特征，包括巨大的火山——太阳系中已知的最大的火山——和广阔的撞击坑。)

Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.(复杂的生命在地球表面进化，而不是在火星或太阳系的其他行星上，因为在那些行星上，早期的地表生命被紫外线杀死了。)