What is an elliptical galaxy?
A) A galaxy with an elliptical outline and a smooth distribution of brightness (no spiral arms)
B) A spiral galaxy seen from an angle (not face-on) ,giving it an elliptical profile
C) Any galaxy with an elliptical halo when observed at radio wavelengths
D) A spiral galaxy with an elliptical central bulge,and the spiral arms starting from the ends of the ellipse
Correct Answer:
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Q50: Which of the following types of galaxies
Q51: The Tully-Fisher relation provides a method of
Q52: To an astronomer,what is a "standard candle"?
A)
Q53: Are there types of galaxies in which
Q54: Of the following distance measurement techniques,which one
Q56: The Hubble classification for a very flat
Q57: What is a rich cluster of galaxies?
A)
Q58: What is the Tully-Fisher relation?
A) The more
Q59: Which of the following types of galaxies
Q60: What is a lenticular (S0)galaxy?
A) A galaxy
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