SPACE BACKGROUND STUDY Open PDF Document Details Document Type Technical Report Publication Date Jul 01, 1960 Accession Number AD0402182 Entities People Charles Gramm Philip Barnhart Walter E. Mitchell William Haynie Tags Communities of Interest Advanced Electronics Sensors Space Weapons Technologies DTIC Thesaurus Topics Artificial Satellites Atmospheres Birds Celestial Brightness Detection Detectors Infrared Detectors Measurement Observatories Optical Detection Optical Detectors Optical Equipment Photometers Radiation Radio Waves Solar Spectrum Warning Systems Technology Areas Space Space - Satellites