1. EQ: What is our galaxy’s role in the universe?
Our Universe
EQ: What is our galaxy’s role in the universe?

2. Flipbook check: Due Friday at end of class.
Milky Way
Flipbook check: Due Friday at end of class.
Geocentric = done
Heliocentric = done
Comets, asteroids, meteoroids = done
Moon phases = done
Lunar and Solar eclipses = done
Spring and Neap tides = done
Today finish your
galaxy page
Begin inner and outer planets

5. Our Galaxy: Milky Way Large groups of stars, dust, and gas
Some have more than a trillion stars!
Types of Galaxies: Spiral, Elliptical, Irregular
Which type is ours and where exactly is our solar system located?

7. Spiral
Bulge at center
Spiral arms
Arms are made up of new stars, gas, dust
Milky Way is an example, orion arm

9. Elliptical Bright center Very little dust and gas
Contains mostly old stars
Massive blog of stars
Look like spheres or is outstretched

11. Irregular Their shape is irregular Close to a spiral galaxy
Large Magellanic Cloud

13. Let’s take a closer look.
Brainpop Galaxy

14. Contents of Galaxies:
Gas Clouds
Star Clusters
Origin of Galaxies:
Quasars
What is our global address?

15. Milky Way Brainpop Today finish your galaxy page
Begin working on your inner and outer planets pages – we will continue working on them tomorrow in class.