Galaxies

What Is The Name Of Our Galaxy.

• Milky Way

• Andromena

• Blackeye

• None Of These

Our Sun and solar system are located

• near the edge of the Milky Way.

• about 2/3 from the center of the Milky Way.

• near the middle of the Milky Way.

• near the galactic bulge.

Stars that are located in the galactic disk move

• in mostly random orbits.

• in retrograde orbits.

• in mostly stable or orderly orbits.

• around less massive black holes.

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Stars that are located in the Halo regions of the galaxy orbit

• in random or disorderly motions.

• around black holes.

• in stable or orderly motions.

• in binary systems.

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

How many major spiral arms are in the Milky Way Galaxy?

• one

• two

• three

• four

Tags

NGSS.MS-ESS1-2

Variable stars include short period RR Lyrae & longer period Cepheids.

• True

• False

Tags

NGSS.HS-ESS1-3

Younger stars that orbit the galactic bulge are located in the

• Halo regions.

• galactic disk.

• galactic bulge.

• density waves.

The formation of giant elliptical galaxies may have been created by

• collisions of supermassive black holes.

• supernovae explosions and star mergers.

• collisions and mergers of small irregular galaxies.

• collisions and mergers of spiral galaxies.

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

• elliptical

• humanoid

• irregular

• spiral

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational