Answered

Which astronomer worked a decade before Hubble to measure the spectra of galaxies?

A. Henrietta Leavitt
B. Vesto Slipher
C. George Hale
D. Harlow Shapley



Answer :

GinnyAnswer

Final answer:

Vesto Slipher used Doppler shifts to measure the spectra of galaxies before Hubble.


Explanation:

Vesto Slipher was the astronomer who worked a decade before Hubble to measure the spectra of galaxies. He used Doppler shifts to find the motion of other galaxies.


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