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…