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7 天
银河系与相邻的仙女星系,开始发生碰撞?太阳系未来会如何?
咱们这宇宙可不是啥静态的,它里面的星星们都跟打了鸡血似的,动个不停。就拿咱们地球来说吧,又是公转又是自转的,忙得很! 除了地球,咱们的太阳系和银河系也都在不规则运动,就跟跳广场舞似的,没个固定队形。只不过咱们人类太渺小了,不借助点高科技设备,根本感受不到这种运动,就像坐摇篮里,自己没感觉,其实一直在晃悠。
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