IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. At orbital speed, spacecraft circle ...

Abstract An integral semi-analytical solution of the atmospheric diffusion equation considering wind speed as a function of both downwind distance from a pollution source and vertical height is ...

Dassault Unveils Vortex Spaceplane with ESA and French Military Support Reusable orbital vehicle could provide space station transport, cargo logistics, and in-orbit services for commercial ...