2 Ergebnisse für: 550au
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Category:550s – Wikimedia Commons
https://commons.wikimedia.org/wiki/Category:550s?uselang=de
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Deep Space Flight and Communications: Exploiting the Sun as a Gravitational Lens - Claudio Maccone - Google Books
https://books.google.de/books?id=nGBhKDE1SFEC
The majority of books dealing with prospects for interstellar flight tackle the problem of the propulsion systems that will be needed to send a craft on an interstellar trajectory. The proposed book looks at two other, equally important aspects of such…