普兰塔莫看起来很喜欢做关于彗星的预言，预测1872年普兰塔莫彗星将会在1873年8月12号和地球撞击。

It seems Plantamour was fond of making predictions involving comets, predicting in 1872 that Plantamour's comet would collide with Earth on August 12, 1873.

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一些预测说，这颗彗星在北半球观察效果最好——至少可以像组成我们熟悉的北斗七星的恒星那么亮。

Some predictions say the comet-best seen from the Northern hemisphere-could be at least as bright as the stars that make up the familiar Big Dipper constellation.

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艾萨克·牛顿在其后发现彗星沿椭圆轨迹移动，处于环绕太阳的椭圆形轨道上，他还准确地预测了彗星能够一次又一次地回归。

Isaac Newton later discovered that comets move in elliptical, oval-shaped orbits around the Sun, and correctly predicted that they could return again and again.

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