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。
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。
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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