Crescent Moon Svg: Exploring the Symbolism of the Celestial Icon
The World Wide Web Consortium (W3C) develops standards and guidelines to help everyone build a web based on the principles of accessibility, internationalization, privacy and security.
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Foursquare provides businesses with the opportunity to list on City Guide, & consumers can search for places they love.
W3C's easy-to-use markup validation service, based on SGML and XML parsers.
The American Meteor Society, Ltd. is established to inform, encourage, and support the research activities of people who are interested in the field of Meteor Astronomy
The British Interplanetary Society promotes the exploration of space through all aspects of astronautics for the benefit of humanity.
Tide tables and solunar charts for fishing: high tides and low tides; sun and moon rising and setting times, lunar phase, fish activity, weather conditions...