To Infinity and BeyondTo Infinity and Beyond

• How many types of galaxies are there?

• What are the three shapes of galaxies?

• What are the three things that make up a galaxy?

What are the three different What are the three different shapes of galaxies?shapes of galaxies?

Spiral GalaxyElliptical GalaxyIrregular Galaxy

Spiral Galaxies

• Have spiral or curved arms.

• The arms curve around the center.

• Have a definite star pattern.

• The Milky Way and Andromeda are spiral galaxies.

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Elliptical Galaxies

• Shaped like an oval.• Have a definite star

pattern.• Many stars can be

seen around their edges.

• They look like spirals without arms.

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Irregular Galaxies

• No definite star pattern.

• They have many different shapes.

• They are not very common.

• The two Clouds of Magellan are irregular galaxies.

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GUESS THE GALAXY

? ? ? ? ? ?

Elliptical Galaxy

•

©1997 The Regents of the University of California

Spiral Galaxy

©1997 The Regents of the University of California

Irregular Galaxy

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Share 3 great galaxy facts you learned….

                  

WORKS CITED

• “Big Resources Network.” Clippers FresherImage.com. 2001. 9 July 2002.

www.free-clip-images.com/

• Hastings, George and Jane. “Classifying Galaxies.” Classifying Galaxies. 1997/November 1998. The

Regents of the University of California. 9 July 2002. http://www.smv.org/hastings/galaxy.htm

• The Regents of the University of Michigan. “The Universe.” Windows to the Universe. 1995 February 2002. The Regents of the University of Michigan. 8 July 2002. http://www.windows.ucar.edu/

• “2001: A Space Odyssey.” The Movie Sounds Page. 1995/9 July 2002.http://www.moviesounds.com/2001.html