(Doppler effect) If light from a star is shifted to the red does that mean the star is moving toward or away from Earth?

Red light has a lower frequency than blue light.

a)The star is moving away from Earth.

b)The star is moving toward Earth.

c)There is not enough information to decide.

2 Answers

  • 1 month ago
    Favorite Answer

    a) is the correct answer.

  • Clive
    Lv 7
    4 weeks ago

    d) Do your own homework.

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