Markiewicz, W. J.; Sablotny, R. M.; Keller, H. U.; Thomas, N.; Titov, D.; Smith, P. H.: Optical properties of the Martian aerosols as derived from Imager for Mars Pathfinder midday sky brightness data. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1998)
Thomas, N.; Markiewicz, W. J.; Sablotny, R. M.; Wuttke, M. W.; Keller, H. U.; Johnson, J. R.; Reid, R. J.; Smith, P. J.: The color of the Martian sky and its influence on the illumination of the Martian surface. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1998)
The Uranian magnetic field is more expansive than previously thought, according to newly analyzed data from Voyager 2, making it easier to search for moons with oceans.