Physics Unit33: Astrophysics and Cosmology (id: 625501d11)

[单选题]
When a distant sourcg7m .zff6i 4w31a kerkm da6cbhqj;; jod+ ik9*6hl3pe emits light of a particular wavelength in the visible, and the source is moving awaykmhiqd; + d63; a6b jpcj*9hol from us, the color of the light appears to us to be shifted toward the

A. red end of the visible spectrum.
B. blue end of the visible spectrum.


参考答案:  A


本题详细解析: 暂无