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You observe a spiral galaxy with a large central bulge and tightly wrapped arms. It would be classified a(n)


A) S0.
B) Sb.
C) Sc.
D) E7.
E) Sa.

F) A) and D)
G) B) and C)

Correct Answer

verifed

verified

A spherical galaxy, like M87, which looks like a monster globular cluster, is type


A) S0.
B) 0V.
C) ES1.
D) E0.
E) ES.

F) All of the above
G) A) and E)

Correct Answer

verifed

verified

The Virgo Cluster of galaxies is smaller than the Local Group.

A) True
B) False

Correct Answer

verifed

verified

Hubble divided the spirals into normal and _ categories.

Correct Answer

verifed

verified

Virtually all galaxies are moving away from the Milky Way.

A) True
B) False

Correct Answer

verifed

verified

Briefly describe how Hubble classified the galaxies visually.

Correct Answer

verifed

verified

Ellipticals were divided into eight cate...

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Who invented the galaxy classes, and what three major groups did he invent?

Correct Answer

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Edwin Hubble divided...

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Like Herbig- Haro objects associated with protostars, the lobes around radio galaxies are the result of _ streaming from the active nucleus. Describe their alignment.

Correct Answer

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jets; the two jets are focused...

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Centaurus A is the closest lobe radio galaxy, and may be a collision between a spiral and an elliptical galaxy.

A) True
B) False

Correct Answer

verifed

verified

The Milky Way is smaller than most members of the Local Group.

A) True
B) False

Correct Answer

verifed

verified

When observing a quasar, we are probably looking at a stage of evolution in the very early universe.

A) True
B) False

Correct Answer

verifed

verified

A tightly wound barred spiral would be classified as


A) S0.
B) Sa.
C) SBc.
D) SBa.
E) Sc.

F) B) and C)
G) A) and C)

Correct Answer

verifed

verified

Which type of galaxy has a stellar disk, but without gas and dust?


A) E0
B) S0
C) E7
D) Irr I
E) SE

F) A) and E)
G) None of the above

Correct Answer

verifed

verified

Quasars are the brightest objects in the universe.

A) True
B) False

Correct Answer

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verified

Except for the Local Group, galaxies seem to be isolated and randomly in space.

A) True
B) False

Correct Answer

verifed

verified

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