Category:Spherical Earth user templates is part of WikiProject Userboxes. This means that the WikiProject has identified it as part of the userboxes system. WikiProject Userboxes itself is an attempt to improve, grow, and standardize Wikipedia's articles and templates related to the userbox system, used on many users' pages. We need all your help, so join in today!UserboxesWikipedia:WikiProject UserboxesTemplate:WikiProject UserboxesUserboxes articles
This category is part of the History of Science WikiProject, an attempt to improve and organize the history of science content on Wikipedia. If you would like to participate, you can edit the category attached to this page, or visit the project page, where you can join the project and/or contribute to the discussion. You can also help with the History of Science Collaboration of the Month.History of ScienceWikipedia:WikiProject History of ScienceTemplate:WikiProject History of Sciencehistory of science articles
This category is within the scope of WikiProject Maps, a collaborative effort to improve the coverage of Maps and Cartography on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MapsWikipedia:WikiProject MapsTemplate:WikiProject MapsMaps articles
