宇宙的刻度·重新感受一下世界上物体大小
只要滚滚鼠标，小到“普朗克长度”，大到“可观察到的宇宙”，都会尽收你的眼底。顿时感觉生命之渺小，宇宙之宏大。
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只要滚滚鼠标，小到“普朗克长度”，大到“可观察到的宇宙”，都会尽收你的眼底。顿时感觉生命之渺小，宇宙之宏大。
That's everything for now.