Multiple Choice
Who developed the classification system that divides galaxies into spiral,elliptical,and irregular,and classified spirals by the size of their nuclear region and the tightness of winding of their arms?
A) Ejnar Hertzsprung
B) Sir John Herschel
C) Henrietta Leavitt
D) Edwin Hubble
Correct Answer:

Verified
Correct Answer:
Verified
Q101: What are starburst galaxies and how are
Q102: In general,elliptical galaxies are sites of active
Q103: The Andromeda Galaxy (M31)is best described as
Q104: The Milky Way Galaxy is the only
Q105: Of the following distance measurement techniques,which one
Q108: Which of the following astronomical objects can
Q109: Which of these distance-measuring techniques only works
Q110: Elliptical galaxies have<br>A) spiral arms rotating clockwise.<br>B)
Q111: What is galactic cannibalism,and what does it
Q132: Collisions between galaxies<br>A) do not occur because