What distance method is used to determine the distance to the most distant galaxies when only a redshift is measured
A) Hubble's law
B) supernova observations
C) period-luminosity relationship of variable stars
D) parallax
Correct Answer:
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Q16: The Milky Way is part of
I.a
Q17: A mega-parsec (Mpc) is equivalent to
A)3.26 light-years.
B)206,265
Q18: A megaparsec is equivalent to
A)3.26 light-years.
B)206,265 AU.
C)the
Q19: Galactic cannibalism refers to
A)binary galaxies.
B)the merging of
Q20: Astronomers now speculate that a galaxy's shape
Q22: Starburst galaxies
A)contain a large number of very
Q23: What distance method did Edwin Hubble use
Q24: What is the primary factor in determining
Q25: If H equals 70 km/s/Mpc, then a
Q26: If a galaxy has a radial
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