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下面是英国天文学家哈雷的工作记录中的一段话:“相当多的事情使我想到,1531年阿皮安所观察的彗星,跟1607年开普勒和1456年隆哥蒙坦斯所描述的是同一颗,也就是1682年我自己观察的那一颗.全部轨道号数都是完全一致的,只有周期不等,其中第一个周期是76年零2个月,第二个周期却是74
The following is a passage from the work record of British astronomer Harley: “A lot of things reminded me of the comet that Appian observed in 1531, as described by Kepler in 1607 and Ronco Montan in 1456. It is the same one, that is, the one I observed on my own in 1682. All track numbers are exactly the same, only the period is not equal, the first period is 76 years and 2 months, and the second period is 74