Hubble Sequence
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Use the diagram below to answer the questions.
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B.
S0 is classified as a spiral galaxy.
- True
- False
C.
The Hubble sequence classifies galaxies based upon their .
- age
- size
- morphology
- number of stars
D.
Which type of the galaxies listed below is not shown on the diagram?
- spiral
- irregular
- elliptical
- lenticular
E.
Which description best fits a SBc galaxy?
- spiral with tightly wound arms
- spiral with loosely wound arms
- barred spiral with tightly wound arms
- barred spiral with loosely wound arms
F.
From right to left, the Hubble sequence shows .
- elliptical, lenticular, and spiral galaxies
- spiral, lenticular, and elliptical galaxies
- elliptical, irregular, and spiral galaxies
- spiral, irregular, and elliptical galaxies
G.
What is the major difference between an E3 galaxy and an E7 galaxy?
- E3 is more elliptical in shape than E7.
- E7 is more elliptical in shape than E3.
- E3 has barred spiral arms and E7 does not.
- E7 has barred spiral arms and E3 does not.
H.
M95 is classified as a SBb galaxy. Andromeda Galaxy is classified as Sb. The difference in classification indicates which of the following?
- M95 is a barred galaxy and Andromeda is not.
- Andromeda is a barred galaxy and M95 is not.
- M95 has more tightly wound spiral arms than Andromeda.
- Andromeda has more tightly wound spiral arms than M95.
J.
How is the Milky Way Galaxy currently classified on the Hubble sequence?
- spiral
- lenticular
- irregular
- elliptical
- barred spiral