Test 4-11-16

Question 1

What is the MWG shape

Answer 1

Barred spiral similar to pin wheel

Question 2

Which direction do the stars rotate around our center

Answer 2

Counter clock wise

Question 3

Were is out sun in the MWG

Answer 3

The outer parts of the arms

Question 4

What dies the position of our sun say about our stars age

Answer 4

It is on the outer arms away from the center so it is young

Question 5

How long does it take for the sun and planets. To rotate around the center of our galaxy

Answer 5

200 mil years

Question 6

4 types the of galaxies

Answer 6

Irregular,spiral,elliptical and barred spiral

Question 7

3 characteristics of spiral galaxies

Answer 7

Wound arms
Central bulge
Multiple arms

Question 8

3 characteristics of elliptical galaxies

Answer 8

Bright and big central bulge
Very few star formation gas and dust
Halo

Question 9

3 characteristics of barred spiral galaxies

Answer 9

Loosely wound arms

Central bulge

Question 10

Name the galaxies that have dust and gas

Answer 10

Both spirals and most irregulars

Question 11

Name the galaxies that have star formation

Answer 11

Both spirals most irregulars

Question 12

Structures of both spirals

Answer 12

Central bulge
Arms
Halo

Question 13

7 characteristics of open star clusters

Answer 13

Hot and young stars
Spread apart
Gas clusters
100s of stars (fewer)
Disk
Defined

Question 14

7 characteristics of globular star clusters

Answer 14

Lots of stars 10,000
Spherical shape
Dense
Red older stars
No star formation
Halo 
bulge

Question 15

What are the structural features of the Milky Way Galaxy

Answer 15

Halo,Arms,Bulge