Results 61 to 70 of about 1,458 (122)

Space vehicle propulsion systems: Environmental space hazards [PDF]

open access: yes
The hazards that exist in geolunar space which may degrade, disrupt, or terminate the performance of space-based LOX/LH2 rocket engines are evaluated.
Bahr, G. K., Disimile, P. J.
core   +1 more source

Long-term microparticle flux variability indicated by comparison of Interplanetary Dust Experiment (IDE) timed impacts for LDEF's first year in orbit with impact data for the entire 5.77-year orbital lifetime [PDF]

open access: yes
The electronic sensors of the Interplanetary Dust Experiment (IDE) recorded precise impact times and approximate directions for submicron to approximately 100 micron size particles on all six primary sides of the spacecraft for the first 346 days of the ...
Cooke, William J.   +4 more
core   +1 more source

Origin of new emergent Coronavirus and Candida fungal diseases-Terrestrial or cosmic? [PDF]

open access: yesAdv Genet, 2020
Steele EJ   +5 more
europepmc   +1 more source

Engineering models of the Martian atmosphere and surface [PDF]

open access: yes
Mars surface and atmosphere models for landing module ...
Spencer, D. F.
core   +1 more source

The fall, recovery, classification, and initial characterization of the Hamburg, Michigan H4 chondrite. [PDF]

open access: yesMeteorit Planet Sci, 2020
Heck PR   +28 more
europepmc   +1 more source

Space Station Planetology Experiments (SSPEX) [PDF]

open access: yes
A meeting of 50 planetary scientists considered the uses of the Space Station to support experiments in their various disciplines. Abstracts (28) present concepts for impact and aeolian processes, particle formation and interaction, and other planetary ...
Greeley, R., Williams, R. J.
core   +1 more source

Environmental Problems of Space Flight Structures. 2. Meteoroid Hazard [PDF]

open access: yes
Environmental problems of space flight structures - part 2, meteoroid ...
Davidson, J. R., Sandorff, P. E.
core   +1 more source

Understanding Hypervelocity Sampling of Biosignatures in Space Missions. [PDF]

open access: yesAstrobiology, 2021
Jaramillo-Botero A   +5 more
europepmc   +1 more source

Elemental analyses of hypervelocity microparticle impact sites on Interplanetary Dust Experiment sensor surfaces [PDF]

open access: yes
The Interplanetary Dust Experiment (IDE) had over 450 electrically active ultra-high purity metal-oxide-silicon impact detectors located on the six primary sides of the Long Duration Exposure Facility (LDEF). Hypervelocity microparticles (approximately 0.
Brownlee, D. E.   +6 more
core   +1 more source

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