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Satellite communications is not only effectively the oldest, but without a doubt also the most important application of space technology for terrestrial societies. This, however, was not always as self-evident as it may seem in hindsight. Since Arthur Clarke’s seminal paper of 1945, explaining how a mere three man- made satellites in the right orbital positions could function as the core of a telecom-...
The commercial space activity of private entities is growing rapidly, while govern- mental activity is declining. In 2018, the space industry earned approx. $360 bn, of which approx. $277 bn was attributable to purely commercial activity. Spectacular manned flights and space military programs brought the involved enterprises a profit of approx. $80 bn. Although this may not be apparent, the private...
Planning a space mission is mostly constrained by factors of payload mass and vol- ume, as well as the efficiency of systems and launch capabilities of a provider. Nearly all contemporary satellites carry a limited number of spare fuel for maneuvering and station keeping, no spare parts, not even means to provide proper repairs. The future of space mission architecture is dependent on both, the interconnectedness...
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