8.The surface temperature of a nearby star can be determined most precicely by measuring what parameters?

8.The surface temperature of a nearby star can be determined most precicely by measuring what parameters?A) position of the star on the h-r diagramB)Doppler shift of the stars spectral linesC)relative strenghts of emmission lines from different atoms and ions in the star's spectrumD)Relative strenghts of absorption lines from different atoms and molecules in the star's spectrum