問題詳情
22.設地球與太陽之平均距離為 個天文單位，已知哈雷彗星約 年回歸 次，哈雷彗星與太陽之最近距離約為 0.個天文單位，設所有行星對哈雷彗星的影響均可略去不計，則推算哈雷彗星與太陽之最遠距離與哪一個天文單位最為接近？
(A) 17.
(B) 35.
(C) 70.
(D) 140.8。
(A) 17.
(B) 35.
(C) 70.
(D) 140.8。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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