Origin of the moon.
Lunar origin theories, considering moon/earth mass ratio, earth-moon system angular momentum deficiency and differential volatilization in earth
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Lunar origin theories, considering moon/earth mass ratio, earth-moon system angular momentum deficiency and differential volatilization in earth
Origin of galactic gamma rays, discussing evidence in support of interstellar gas in galactic disk and production of neutral pions and bremsstrahlung
Planetary atmospheres origin, discussing earth formation by planetesimals accumulation and similarity to Mars and Venus, volatiles in outer planets, etc
Heavy nuclei origin based on empirical abundance distribution, discussing stellar, galactic and cosmic events for nuclear genesis
Source requirements for cosmic radiation origin model, noting fluctuations in momentum changing process
Galactic magnetic field origin from galactic turbulence, calculating individual Fourier components in random turbulent velocity
Critical test of cosmological pion decay hypothesis for origin of isotropic gamma radiation above 1 MeV
Determining compatible internal states of inverse automation by analysis of original automation
Determining initial states of inverse automaton by analysis of original automaton
Constituency and origins of cyclic growth layers in pelecypod shells
Experimentally derived explanations of some aspects of the origin of life
Cosmic ray origin in high energy H and He isotropic abundances and energy spectra observed by IMP 4 satellite during solar quiet times
Moon origin theories emphasizing fission from earth, noting objections to capture theory
Microtektites chemical analysis data providing appraisal of strewn field boundaries, implying lunar origin
Lunar origin and history, discussing evolution temperature, large and small craters and association with solar system evolution
Cross hatching on various body surfaces due to periodic surface pressure fluctuations, discussing origin from counterrotating longitudinal vortices in boundary layer
Carbonaceous chondrites composition by gas chromatography for light hydrocarbons and carbon, discussing origin of organic matter