Feasibility Study and Future Projections of Suborbital Space Tourism at the Example of Virgin GalacticE-bookFeasibility Study and Future Projections of Suborbital Space Tourism at the Example of Virgin GalacticdeMatthias OttoNota: 0 de 5 estrelas0 notasSalve Feasibility Study and Future Projections of Suborbital Space Tourism at the Example of Virgin Galactic para mais tarde