Cratering and the moon's surface
Lunar surface and soil mechanical properties statistical analysis covering Alphonsus event, cratering and erosion
Engineering topics
Publications and source records attributed to Oepik, E. J..
Lunar surface and soil mechanical properties statistical analysis covering Alphonsus event, cratering and erosion
Cometary origin of meteorites, discussing and rejecting origin from recent asteroidal collisions
Mechanical and statistical analysis of lunar surface, cratering, and erosion
Air turbulence 1.5 m above ground, discussing channeled suburban setting and city ventilation via wind velocity
Martian surface markings, brightness along optical equator, crater erosion, asteroid collision and yellow dust clouds
Process of energy dissipation through radiation and evaporation, deceleration by drag, and ablation through evaporation of spherical stony micrometeorites in earth atmosphere
Data interpretation for sun grazing family of comets deriving formulas for compressive and tensile stress in spherical bodies for tidal, rotational and self-gravitating fields
Dynamical aspects of Oort hypothesis on cometary origin
Comet nuclei as principal source of meteorites, discussing dynamical arguments, orbital characteristics and exposure age
Monte Carlo experiments on cometary origin of meteorites and asteroids in solar system and random orbits of stray bodies
Craters on Mars from Mariner IV pictures, showing no evidence of primeval crater and analyzing aeolian erosion
Terrestrial climatic changes in terms of solar radiation intensity which is controlled by hydrogen-helium nuclear conversion reaction
Launching of artificial comets into orbit to evaluate theories of cometary structure
Life on small extinct stars and large dark planets
Interstellar travel using ramjet technique and interstellar gas in conjunction with nuclear fusion
Clustering of galaxies into systems, examining gravitational attraction and cosmic repulsion
Meteor hazards to space flight including micrometeor particles, fluffy or grainy dustball meteors and compact stony or iron fragments