NSS National Space Society - Contests Homepage                        http://www.nss.org/contests/

NASA/NSS Space Settlement Student Design Contest                   http://www.nss.org/settlement/nasa/Contest/index.html

International Space Settlement Design Competition                          http://spaceset.org/

NSS Space Settlement Nexus Homepage                                       http://www.nss.org/settlement/index.html

Space Settlement Library                                                                http://www.nss.org/settlement/library.html

NSS Library                                                                                   http://www.nss.org/resources/library/index.htm

NASA Ames Space Settlement Contest Homepage                        http://settlement.arc.nasa.gov/Contest/

Generic Earth Orbiting Space Settlement Requirements                   http://www.nss.org/settlement/nasa/Contest/request.html

Space Settlement Design Teacher's Page                                        http://www.nss.org/settlement/nasa/teacher/index.html

Welcome Space Colony Designers                                                 http://www.nss.org/settlement/nasa/designer/index.html

Univerisites offering Space Science & Astronautics Programs          http://www.nss.org/settlement/nasa/college.html

NASA Academy                                                                            http://academy.nasa.gov/

Google Sketchup Tutorial (Getting Started,  Beginner Sketchup, etc.)      https://sites.google.com/site/sketchupvideo/ 

Astronomy Educ. of the Univ. of Nebraska-Lincoln                         http://astro.unl.edu/animationsLinks.html 

Astronomy Educ. of the Univ. of Nebraska-Linkoln NAAP             http://astro.unl.edu/ 

Physics & Astronomy Dept. of the Univ. of British Columbia            http://hypnagogic.net/sim/#TelObs 

Stellarium                                                                                        http://www.stellarium.org/

AMNH - Hayden Planetarium                                                         http://www.amnh.org/traveling/planetarium/ 

AMNH - Digital Universe Atlas                                                       http://www.haydenplanetarium.org/universe/

Black Holes                                                                                    http://hubblesite.org/explore_astronomy/black_holes

Sunrise and Sunset -, Moonrise and Moonset Times, etc.                 http://www.timeanddate.com/

GalaxyZoo - Help Astronomer Explore the Universe                        http://www.galaxyzoo.org/

The Milky Way Project                                                                   http://www.milkywayproject.org/ 

MoonZoo - Study the Lunar Surface                                                http://www.moonzoo.org/

New Horizons Ice Hunters                                                               http://www.icehunters.org/

Planet Hunters                                                                                  http://www.planethunters.org 

Solar StormWatch - Help Scientists spot explosions on the Sun        http://solarstormwatch.com/

Zooniverse - Real Science Online                                                     http://www.zooniverse.org