白天和黑夜的比例 - 地球科學討論

By Queena
at 2010-05-11T15:39
at 2010-05-11T15:39
Table of Contents
一題地科的題目
(1)太陽直射北回歸線時,北回歸線上白天和晚上的比例是多少?
(2)不同緯度的白天和晚上比例,會不同嗎?(不包括極地和赤道)
第一題答案是3:1
但我覺得 (90+23.5):(90-23.5)
不知道怎麼算?
謝謝大家
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地球科學
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