Sent_en: 2zh The theory of general relativity was developed by Albert Einstein in the early 20th century to explain the behavior of moving objects in space, after the discovery that the speed of light was always the same no matter how the person measuring it was moving.
Sent_yy: 广义相对论是由阿尔伯特爱因斯坦在20世纪初开发出来的，用于解释移动物体在空间中的行为。这是在他发现无论测量它的人是如何移动，光速总是相同的理论之后提出的。