Galaxies (Spiral, Elliptical, Irregular)

Our ​ (a)   is inside a larger system, called a ​ (b)   .

• solar system
• galaxy
• universe

Our galaxy is called the ____________.

How many stars are in the Milky Way galaxy?

• We Don't Know for Sure

• Billions

• 100,000

• 1,000,000

Galaxies are grouped by their __________/

• location

• shape

• size

• brightness

What kind of galaxy is the Milky Way?

What shape is an elliptical galaxy?

• spiral shaped

• circle shaped

• egg shaped

• ugly shaped

What are the three types of galaxies?

• solar system

• spiral

• elliptical

• irregular

Put these in order from smallest to biggest:

1. 1.​ (a)  

1. 2.​ ​ (b)  

2. 3.​ (c)  

3. 4. ​ (d)  

• Earth
• Solar System
• Milky Way
• You

Describe a spiral galaxy.

Describe an elliptical galaxy.