Which distance indicator can be used to measure the most distant objects?
A) Cepheids
B) Parallax
C) Type I supernovae
D) Main-sequence fitting
Correct Answer:
Verified
Q4: The apparent recessional velocities of galaxies at
Q21: Why can Type I supernovae be used
Q22: The spectra of most galaxies tell us
Q23: Why are some galaxies' spectra blueshifted rather
Q24: Galaxies move away from us in all
Q26: According to Hubble's law,as the distance of
Q27: If the spectrum of a distant galaxy
Q28: Hubble's constant, Q29: If suddenly we find that the distance Q30: If you found a galaxy with an
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