Analysis of the Geant4 toolkit for space applications Programme Discovery Programme Reference 2001-34 Contractor CERN Start Date 2001 End Date 2001 Country Switzerland More Like This Possible “Multiplier effect” of ESA R&D budgets Applications and Implementations of atom-based Inertial Quantum Sensors New Design Methodologies and Techniques New Design Methodologies and Techniques fundamental issues in the aerothermodynamics of planetary-atmosphere (re)entry