The ultraviolet dayglow. I - Far UV emissions of N and N2
The ultraviolet dayglow. IV - The spectrum and excitation of singly ionized oxygen
The ultraviolet flux distribution of Alpha-2 Canum Venaticorum
The ultraviolet imager (UVI) for ISTP
The ultraviolet spectrum of zeta Tauri
The Ulysses mission. Launch to September 1995, including the Jupiter fly-by.
The United Kingdom programme of scientific sounding rockets - An overview
The United Kingdom rocket and balloon program
The upper atmosphere of Jupiter from VLT/ISAAC observations
The upper atmosphere of Venus observed by Venus Express
The Use of Archived Astronomical Images as a Vehicle for Introducing Scientific Methodology to Non-Scientists
The use of balloons in astronomical research
The use of data of the oblique sounding of the ionosphere to check trajectory calculations for high-latitude radio paths
The use of dispersion to eliminate multipath in planetary radio occultations
The use of empirical models to investigate GPS derived total electron content
The use of Fourier transforms for isolating components of experimental data
The use of GPS arrays in detecting the ionospheric response during rocket launchings
The use of Kotel'nikov's theorem to determine the regularization conditions of the inverse refraction problem
The use of mass spectrometer measurements to derive thermospheric temperature and density
The Use of Multiple Receivers to Measure the Wave Characteristics of Very-Low-Frequency Noise in Space