Galaxy Mini Review

Structure, formation, and evolution are what…

• Hubble classification

• Galaxy classification

• Star classification

What has been observed that is at the center of galaxies?

• Stars

• Black holes

• More galaxies

A galaxy that lack of free gas?

• Irregular

• Spiral

• Elliptical

What characteristic helped us see galaxies in the sky?

• Brightness

• Distance

• Size

• Motion

A property of galaxies

• Color

• Luminosity

• Size

• Shape

Elliptical galaxies make up 1/3 of all galaxies.

• True

• False

• None

Milky Way, Andromeda, and Triangulum are all part of what?

• Milky Way cluster

• Virgo cluster

• Local Group

Galactic cannibalism ….what’s an example?

• Local Group

• Virgo cluster

• Milky Way cluster

Globular clusters are considered to be OLD.

• True

• False

• Neither