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The Tech Terms Computer Dictionary contains over 1200 technical terms with easy-to-understand definitions.

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Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.

Stellarium is a planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free.

Free planetarium program for windows

Word by word, Drops helps you learn new vocabulary through fun, fast-paced games with simple mnemonic images in just 5 minutes a day.

Cursos online de programación profesionales. Bonificables por Fundae. Formación online y en español. La mejor elección para profesionales y empresas de desarrollo.

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A comprehensive rhyming dictionary, thesaurus, and brainstorming tool for the English language. Includes dozens of functions to help songwriters, poets, and anyone else in need of a word.

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Diccionario de Sinónimos Online de español con más de 20.000 sinónimos de palabras y expresiones para consultar.

Diccionario de sinónimos de la lengua española con mas de 20000 palabras. Busca la palabra exacta, palabras que contengan lo que buscas e incluso te ofrecemos alternativas si no se encuentra nada en la BD.

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Free online multilingual translation for English, French, German, Russian and Spanish languages

This simulator will familiarize you with the controls of the actual interface used by NASA Astronauts to manually pilot the SpaceX Dragon 2 vehicle to the International Space Station.

Visualize the orbits and the relative positions of the Solar System objects in an interactive 3D Solar System Simulator.

See the Solar System in your browser with jsOrrery, a Javascript / WebGL orbital mechanics simulator.

Online 3D simulation of the Solar System and night sky in real time - the Sun, planets, dwarf planets, comets, stars and constellations

TheSkyLive.com provides detailed information, precise position and sky charts for the most import Solar System and Deep Sky objects