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This paper recalls the essential system requirements and elements for the joint TerraSAR-X / TanDEM-X mission planning system. Its commissioning approach, tests and results are described in detail.
The formation of massive stellar clusters in turbulent molecular clouds is investigated. We include artificial star formation and energy feedback of newly born stars. The obtained systems are not likely to survive. Case studies to determine conditions necessary for forming bound clusters will be done in the future.
The dynamics of the quiet solar atmosphere are highly nonlinear. Both the standing waves of solar oscillations and acoustic waves generated in the upper convection zone become nonlinear in the atmosphere and transform into shock waves. Interactions of shock waves, the formation of contact discontinuities, and interactions of shocks with these… (More)