An estimated 99.85 percent of the mass of our solar system is contained within the Sun, while the planets collectively make up most of the remaining 0.15 percent.

太阳占据了太阳系总质量的大约99.85%，而在剩余的0.15%中，行星占据了大部分。

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The substances that make up both groups of planets are divided into three groups—gases, rocks, and ices—based on their melting points.

这两组行星的构成物质根据熔点分为三类：气体、岩石和冰。

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Using the Lasso Tool (l) with a feather of 50px to make a natural cloud shape over the two planets.

使用羽化50像素的套索工具，在两颗行星之上创建一个自然的云彩形状。

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Vaguely analogous to grains of green Hawaiian beach sand, chondrules are arguably the glue needed to make planets like ours.

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Astrologers, who use dates and times and the movement of the planets to make their prophecies, are especially annoyed.

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Space promoters tell us, once every few months, that there are signs that there might be or has been water on one of the planets that might make "life" possible.

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