Select all that apply.
the spectrum of star y is compared to a reference hydrogen spectrum. what can be concluded about star y?
reference (normal)
hydrogen spectrum
star y
iii
400
450
500
2009 og r e, inc
600
650
700 750
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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Ответ:
Nucleolus
Explanation: