According to the General Theory of Relativity, the planets orbit the sun because they are taking the shortest path through the curved spacetime (recall the tennis ball).
According to the General Theory of Relativity, the planets orbit the sun because they are taking the shortest path through the curved spacetime (recall the tennis ball).
根据广义相对论，行星之所以环绕太阳是因为它们沿弯曲时空的最短路线行走（回忆网球的例子）。