Sounding rocket samplings of cosmic dust
Sounding rockets sampling of cosmic dust in upper atmosphere during and after Zeta Perseid and Arietid meteor showers
Hallgren, D. S.↗
Engineering topics
Hemenway, C. L.
Publications and source records attributed to Hemenway, C. L..
Electron microprobe studies of cosmic dust impact craters
Electron microprobe analysis of cavity surface and lip of cosmic dust impact craters in stainless steel plates exposed at 400 km altitude in Gemini S-010 experiment
Griffith, O. K.↗
A new high altitude balloon-top cosmic dust collection technique
High altitude balloon cosmic dust collection, considering individual particle chemical composition and ablation
Griffith, O. K.↗
Oscillating fiber microbalance.
Oscillating fiber microbalance for direct mass determinations in .1 mg to .0001 microgram range
Hemenway, C. L.↗
Time variation of the altitude distribution of the ''cosmic'' dust layer in the upper atmosphere.
Time variation of altitude distribution of cosmic dust layer in upper atmosphere by Pandora II collector using inflight shadowing technique
Hallgren, D. S.↗
Survival of micro-organisms in space.
Microorganism survival in space for exposure to solar UV radiation on balloons, rockets and satellites
Hemenway, C. L.↗
Collection of meteoric dust after the Leonid meteor shower 1965
Explore the source record for details and available documents.
Hallgren, D. S.↗
Direct observation of particulate and impact contamination of ''optical'' surfaces in space.
Particulate and impact contamination of optical surfaces in space shown to originate from spacecraft debris
Hallgren, D. S.↗
Collection of meteoric dust after the Leonid meteor shower 1965.
Sounding rocket collection of meteoric dust after 1965 Leonid meteor shower, noting electron beam bombardment effects on dust stability
Hallgren, D. S.↗
Survival of micro-organisms in space.
Survival of Penicillium roqueforti Thom, Coliphage T-1, Bacillus subtilis and tobacco mosaic virus exposed to space on Gemini flights
Hallgren, D. S.↗
Results from the Gemini S-10 and S-12 micrometeorite experiments.
Gemini S-10 and S-12 micrometeorite experiment results, discussing craters and penetration holes in stainless steel and thin film nitrocellulose materials
Hallgren, D. S.↗
The biological effectiveness of solar electromagnetic radiation in space.
Lethal effect of solar UV radiations on dried Coliphage T-1 exposed to space at sounding rocket altitudes
RADIATION EFFECT↗
Experiment S010 /S-10/, Agena micrometeorite collection
Recorded micrometeoroid impacts on Agena mounted polished plates recovered during Gemini docking
Hemenway, C. L.↗
Experiment S012 /S-12/, micrometeorite collection
Determination of meteorite activity outside Gemini 10 spacecraft by exposed metal plate
Hemenway, C. L.↗
High altitude balloon-top collections of cosmic dust.
High altitude balloon top collections of cosmic dust shows evidence of absence of crystal structure in particles
PARTICLE FLUX↗
Experiment S-10, Agena micrometeorite collection
Agena micrometeorite collection experiment
COLLECTOR↗
Experiment S-12, micrometeorite collection
Gemini IX experiment to determine flux and thin film penetration characteristics of micrometeorites, lethal space effects on microorganisms, and probability of life in space
MICROMETEORITE↗
High altitude balloon-top collections of cosmic dust.
High altitude balloon top collections of cosmic dust shows evidence of absence of crystal structure in particles
HIGH ALTITUDE BALLOON PROGRAM↗