🌐EnglishEnglishDeutschFrançaisItalianoРусский中文日本語EntityQ1636225· pop 7· linked from 79 articlesspace fountainproposed form of a tower extending into spaceAvailable in 7 languagesFrançais日本語РусскийItalianoSlovenianUkrainianvia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntitydigital object identifierEntityCategoriesExploratory engineeringHypothetical technologyMegastructuresSpace accessSpace elevatorSpaceflight technology