Hubble Galaxy Classification

Examples of irregular galaxies include

• the LMC and SMC.

• M31 & IC 1101.

• the Milky Way and Andromeda.

• the LMC & the Milky Way.

Tags

NGSS.MS-ESS1-2

The LMC & SMC are the two _____ galaxies to the Milky Way.

• largest

• farthest

• closest

• most massive

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Illustration B is a(n):

• spiral galaxy

• elliptical galaxy

• irregular galaxy

• quasar

Tags

NGSS.MS-ESS1-2

Which type of galaxy does not fit well into the Hubble Sequence of galaxy classifications?

• spiral

• elliptical

• irregular

• lenticular

This galaxy would likely have a Hubble Sequence classification of:

• E0

• E5

• Sc

• SBa

Answer explanation

There are no spiral arms visible, so it cannot be an S variety nor is it perfectly circular, therefore E5 is best.

Tags

NGSS.MS-ESS1-2

This galaxy would likely have a Hubble Sequence classification of:

• E0

• E5

• Sc

• SBa

This galaxy would likely have a Hubble Sequence classification of:

• E0

• E5

• Sc

• SBa

Tags

NGSS.MS-ESS1-2

Illustration A is a(n):

• spiral galaxy

• elliptical galaxy

• irregular galaxy

• quasar

Our own Milky Way is likely a ___ type of galaxy because ___.

• Sc, because its arms are tightly wound

• E7, because it's very elliptical

• SBb, because it's barred and has arms that are medium wound

• S0, because it has a lenticular shape

Which type of galaxy is characterized by a central bulge and tightly wound spiral arms in the Hubble Galaxy Classification?

• Elliptical

• Spiral

• Irregular

• Lenticular