If Elliptical Galaxies Do Not Have Cold Gas Clouds for Which

If elliptical galaxies do not have cold gas clouds for which we can measure the Doppler shift, then how can we measure the mass of an elliptical galaxy?

A) by measuring the speeds of stars in the nucleus
B) by observing the velocity of the hot, X-ray emitting gas that surrounds the galaxy
C) by measuring the number of H II regions in the galaxy
D) by measuring how many supernovae go off each century
E) by measuring the amount of blue light in the galaxy

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free