Spiral galaxies are beautiful and swirly. But why? The answer my surprise you. Also, SkyGuy introduces the three other main types of galaxies.
Special thanks to Amy Gahran for editing a great script and making it fun!
Why Are Galaxies Shaped Like a Swirl?
Posted August 29th, 2008 by SkyGuy




October 2nd, 2008 - 1:38 pm
Hey Sky Guy,
Ever consider taking a trip out to New York City to speak at The Scholastic Store’s free Saturday events? We’re having one on Space on OCtober 11th!
http://www.scholasticstore.com
October 15th, 2008 - 8:37 pm
Excellent video. We just found this site and our 8 year old is excited!