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DirectoryOpen.com covers many categories relating to business & economy, real este, entertainment, health, recreation & sports, society & culture, shopping, travel & transportation. |
An online guide to the origin, evolution, and distribution of life in the Universe as well as all other aspects of space exploration.
http://www.astrobiology.com/ |
Astronomy and space directory, links, booksmarks and more.
http://www.astronomylinks.com/ |
Web portal with extensive collection of internet links on astronomy and space topics.
http://www.galacticsurf.com/ |
Space directory and search engine. Includes space exploration and missions, a space calendar of events, and interactive space news.
http://www.spaceref.com/ |
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