American Association of Variable Star Observers (AAVSO)
49 Bay State Road
Cambridge, MA 02138
(617) 354-0484
Web site: http://www.aavso.org
The AAVSO is a nonprofit, scientific and educational organization of amateur and professional astronomers. The organization collects research on variable stars, or stars that change brightness, from a network of observers located throughout the world.
The Astronomical League
9201 Ward Parkway, Suite 100
Kansas City, MO 64114
(816) 333-7759
Web site: http://www.astroleague.org
The Astronomical League sponsors observation clubs and events and gives awards to amateur astronomers across the United States.
The Astronomical Society of the Pacific
390 Ashton Avenue
San Francisco, CA 94112
(415) 337-1100
Web site: http://www.astrosociety.org
The Astronomical Society of the Pacific increases the understanding and appreciation of astronomy through events, publications, education programs, and research.
H.R. MacMillan Space Centre
1100 Chestnut Street
Vancouver, BC V6J 3J9
Canada
(604) 738-7827
Web site: http://www.spacecentre.ca
The H.R. MacMillan Centre is a nonprofit community resource in Vancouver, Canada. The center inspires interest in the universe and space exploration through innovative programming, exhibits, and activities.
National Aeronautics and Space Administration (NASA)
300 E Street SW
Washington, DC 20024
(202) 358-0000
Web site: http://www.nasa.gov
NASA offers information on the U.S. space program as well as innovative research in the field of aeronautics. Its site includes games, activities, and other resources for students.
The Royal Astronomical Society of Canada
203-4920 Dundas Street W
Toronto ON M9A 1B7
Canada
(416) 924-7973
Web site: http://www.rasc.ca
Founded in 1868, the Royal Astronomical
Society of Canada promotes understanding of astronomy through education, outreach, research, and publications.
Due to the changing nature of Internet links, Rosen Educational Services has developed an online list of Web sites related to the subject of this book. This site is updated regularly. Please use this link to access the list:
http://www.rosenlinks.com/tss/tssg