Hollow Spheres Programme Discovery Programme Reference 2002-74 Contractor Plansee AG Start Date 2002 End Date 2002 Country Austria More Like This Semantic Space Study Experimental Evaluation of Quantum Teleportation for Space Systems Weak GNSS Signal Navigation on the Moon FEEP Microthruster Component Development: Ultraprecise Indium Thruster Magnetic Powder as Propellant in Electrostatic Thrusters (MPEP)