正在加载视频...

视频加载失败

Gravity is not an invisible force pulling objects across empty space. In General Relativity, mass tells spacetime how to curve, and curved spacetime tells mass how to move. The Sun’s 1.989 × 10³⁰ kg mass depresses four-dimensional spacetime into a deep gravitational throat. Earth and Jupiter are simply traveling...

31,969 次观看 • 1 天前 •via X (Twitter)

0 条评论

暂无评论

原始帖子的评论将显示在这里

相关视频