問題詳情
19.西元1929年，科學家哈伯( E.P. Hubble )對星系作光譜攝影時，發現遙遠的星系在光譜上均呈現紅移的現象，即在視線方向上遠離我們而去，且距離愈遠的星系相對遠離的速率愈大，兩者之間呈正比的關係，稱為哈伯定律。下列敘述何者正確？
(A)宇宙中物質分布均勻
(B)各星球遠離速度都相同
(C)宇宙正在收縮
(D)宇宙正在膨脹
(A)宇宙中物質分布均勻
(B)各星球遠離速度都相同
(C)宇宙正在收縮
(D)宇宙正在膨脹
參考答案
答案：D
難度：簡單0.785714
統計：A(0),B(5),C(1),D(33),E(0)
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