I -- The Shuttle and the Spacelab -- Esa's Programmes in Astronomy and Astrophysics -- The Nasa Programs in Astrophysics -- II -- Gamma-Ray Astrophysics -- Astrophysics in the Extreme Ultraviolet -- Ultraviolet Spectroscopy of the Outer Layers of Stars -- Nebular and Extragalactic Astronomy from Space in the Optical Region -- Infrared Astronomy -- III -- Recent Planetary Physics and Chemistry -- Remote Sensing of Earth Resources and Environment from Spacelab -- Material Sciences in Space -- IV -- Abundance Determinations for Interstellar Gas -- Ultraviolet Observations of Interstellar Molecules and Grains from Spacelab.