The Hubble Law is a relation between a galaxy s
A) mass and its luminosity.
B) distance and its luminosity.
C) mass and its recession velocity.
D) distance and its recession velocity.
E) mass and its diameter.
Correct Answer:
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Q7: Mathematical models indicate that _ galaxies are
Q9: Poor clusters
A)contain more than 1000 stars and
Q10: The cluster method (motions of galaxies in
Q11: Which of the following is not used
Q14: A spiral (S or SB) galaxy contains
A)
Q14: An E galaxy contains
A) mostly lower-main sequence
Q16: The Milky Way is part of
I.a
Q18: A megaparsec is equivalent to
A)3.26 light-years.
B)206,265 AU.
C)the
Q18: The mass of a single galaxy might
Q25: Astronomers now speculate that a galaxy's shape
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