http://www.google.com/search?q=define%3Agalaxy&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
http://www.google.com/search?q=define%3Aconstellation&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
WHAT IS THE DIFFERENCE BETWEEN THE ARRANGEMENT OF A CONSTELLATION AND A GALAXY?
1 answer