Galaxies

By: Kayla Kogod

There Are Many Different Types Of Galaxies

Many Different Shapes and Sizes…

Irregular

Irregular

• They are basically all the left overs of galaxies• You will have some substantial quantities in

some Irregular galaxies.

Elliptical

Elliptical

• Ellipticals have low to zero rotation rates • The stars in Ellipticals have a wide variety of

orbits • Ellipticals are kind of like bulge with no disk.• The can go from spherical shaped to

elongated shaped to football like shaped.

Spirals

Spiral

• Spirals have relatively high rotation rates.• The stars have orbits that lie in the plane of

the disk.• The Milky Way is a Spiral Galaxy.• The earth is located in the Milky Way.

Bibliography

• http://ircamera.as.arizona.edu/NatSci102/NatSci102/lectures/galaxytypes.htm

• http://hubblesite.org/gallery/album/entire/pr2007041a/web/