Space is filled with an unimaginably large number of things; things that benefit us, like sunshine from the sun, and gravity, which keeps us in orbit and basically prevents us from flying into the abyss.

太空中充量不可思议事物，有对有益事物，比如来自太阳阳光，还有保沿轨道运行引力，它主要是防止坠向宇宙深渊。