Physics, 27.10.2020 21:10 bellabarber204

Select all that apply. The spectrum of Star Y is compared to a reference hydrogen spectrum. What can be concluded about Star Y?
Star Y is showing radial motion
Star Y is moving toward the Earth
Star Y is moving away from the Earth
Star Y is showing transverse motion

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Select all that apply. The spectrum of Star Y is compared to a reference hydrogen spectrum. What ca...