An expanding shock wave traveled into the surroundings and a reverse shock was driven back in toward the remnants of the star.
在这个冲击波向外扩充的时候，一个反方向的剧烈收缩也被驱使着，朝着恒星残留物而去。
On the reverse is a five-pointed star and a scroll between the words "for GOOD" and "CONDUCT", surrounded by a wreath formed by a laurel branch on the left and an oak branch on the right.
背面是一个五角星和之间的良好改为“滚动”和“行为”，由左边的桂冠分行和右侧橡树枝形成了花圈包围。
On the reverse is a five-pointed star and a scroll between the words "for GOOD" and "CONDUCT", surrounded by a wreath formed by a laurel branch on the left and an oak branch on the right.
背面是一个五角星和之间的良好改为“滚动”和“行为”，由左边的桂冠分行和右侧橡树枝形成了花圈包围。
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