Space

What type of galaxy is this?

• Regular

• Irregular

• Spiral

• Elliptical

What type of galaxy is this?

• Elliptical

• Irregular

• Spiral

What type of galaxy is this?

• Regular

• Irregular

• Spiral

• Elliptical

What is the most abundant celestial object in a galaxy?

• Planets

• Asteroids

• Stars

This galaxy has...
Arms...
Bulge in the center...

• Irregular
  Irregular

• Spiral

• Elliptical

This galaxy is...
Flattened...
Disc shaped...
Not much gas or dust...

• Spiral

• Irregular

• Elliptical

There are__________of galaxies within the universe....

• hundreds

• millions

• billions

The Hertzsprung-Russell Diagram tells us about a stars...

• temperature and brightness

• location and size

• age and relationship to the sun

As the temperature of the MAIN SEQUENCE STARS increases so does the...

• Size

• Magnitude

• Temperature

Celestial objects in our solar system _____________around the sun.

• move counter clockwise

• revolve

• rotate