U.S.-IGY EARTH SATELLITES EXPLORER I-COSMIC RAYS AND MICROMETEORITES EXPLORER II-COSMIC RAYS AND MICROMETEORITES EXPLORER (JUPITER C-49)- AIR DRAG & DENSITY, & RADAR TRACKING VANGUARD - ENVIRONMENTAL VANGUARD SOLAR X-RAYS AND ENVIRONMENTAL VANGUARD - SOLAR U-V AND ENVIRONMENTAL VANGUARD - CLOUD COVER VANGUARD - GEOMAGNETISM, AND AIR DRAG AND DENSITY VANGUARD - RADIATION BALANCE ARPA SCIENTIFIC SPACE FLIGHT PROGRAM NOTS AIR LAUNCHED SATELLITES 2 JUNO I SATELLITES 3 THOR-ABLE LUNAR PROBES 2 JUNO II LUNAR PROBES JUNO II SATELLITE INITIAL UNMANNED SATELLITE PAYLOAD LIMITATION 100-120 POUNDS 2. METEOROLOGICAL - CLOUD COVER 3. METEOROLOGICAL - HEAT BALANCE 4. AIR GLOW AND AURORA 5. PRIMARY AURORAL PARTICLES 6. 100 FOOT SPHERE-COMMUNICATIONS, RADAR, AIR DENSITY 7. BIOLOGICAL FUTURE UNMANNED SATELLITE PAYLOADS OVER 200 POUNDS STABILIZED PLATFORM 1. HYDROGEN IN SPACE-LYMAN C 2. CELESTIAL FAR U.V. 3. EXTRA GALACTIC LIGHT 4. COSMIC RAY SOURCES 5. COSMIC DUST-DIRECTION AND INTENSITY 6. MAGNETIC FIELD - DIRECTION AND INTENSITY 7. IONOSPHERE 8. ATOMIC CLOCK 9. TELESCOPE - OPTICAL AND CORPUSCULAR 28995-58-50 |