Explain Why Good Distance Indicators Must Be Luminous Objects

Q28: The high _ of quasars reveals to

Q40: The hydrogen Balmer line Hb has a

Q41: What property of a galaxy do you

Q42: Cepheid variable stars are more luminous than

Q43: If you wanted to measure the distance

Q46: Elliptical galaxies are primarily made up of

Q47: Measuring the Doppler shift of material at

Q48: The spectrum of a(n)_ consists of a

Q49: What is the major observational difference between

Q50: What is the Hubble constant essentially a