A key concept of General Relativity is that gravity is no longer described by a gravitational "field" but rather it is supposed to be a distortion ofspace and time itself.
广义相对论的一个关键概念就是,不再用引力“场”来描述引力,而是用空间和时间本身的畸变来表述。
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Earth has avoided such an event since in part because of Jupiter's gravitationalfield which limits our exposure to space rocks.