rootbrowseIAC-21A2session 11. Gravity and Fundamental PhysicsPapers2. Novel CPT on-board atomic clock technology for Galileo Second Generation3. The ACES Operational Concept: How to Turn the ISS into a Highly Accurate Space-Time Probe.4. The Shapiro time delay in the Eath's gravitational field5. General relativistic geodesy - The new shape of the earth6. Numerical simulation of different collision scenarios of interstellar molecular clouds8. Supermassive Black Holes in Galaxies and Similarities to Calculations of Gravitational Lagrange Points