Physics, 04.06.2021 01:40 ranmmm

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

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