# 20, 相对论

如果说什么存在联系\
那是无所不在的引力\
一个物体会吸引一个物体\
一道光线会因此\
改变它的轨迹

如同有什么赋于了意义\
那些发光的其实是旋转的星系\
夜空中最闪亮的\
也是极其遥远的\
只有思想可以到达的距离

假如用什么表达一种情绪\
最简单的也是最复杂的牵系\
最轻松的也最麻烦\
最紧密的也最疏离\
只有答案而没有问题

![](/files/-Mf-fP4gbzZOwc-ahMj7)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://www.oulan.com/2021/07/20-relative.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.