The origin of tektites.
Terrestrial and lunar origin of tektites evaluated, emphasizing meteorite impact on the lunar mare
METEORITE COLLISION↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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The origin and structure of icy cometary nuclei.
Origin, composition and structure of icy conglomerate comet nuclei
COMET↗
Size distribution of cosmic balls originating from the region of the tungusska meteorite fall <raspredeleniye po razmeram kosmi- cheskikh sharikov iz rayonh tungusskogo padeniya<
Distribution of cosmic balls originating from region of Tungusk meteorite fall
COSMIC DUST↗
Historical origins of nasa's launch operations center to july 1, 1962
Historical origins of NASA Launch Operations Center to July 1, 1962
NASA PROGRAM↗
The origin of solar flares and the acceleration of charged particles
Energy storage of accelerated charged particles in origin of solar flares
CHARGED PARTICLE↗
On some aspects of ambartsumyan's hypothesis on the origin of galaxies
Origin of galaxies - mechanical instability of galactic clusters
ASTROPHYSICS↗
Atmospheric particulate matter of plant origin
Transport of pollen, spores, and other microscopic particulates of plant origin in atmosphere near earth surface
EARTH SURFACE↗
On the Solar Origin of the Interplanetary Magnetic Field
Solar origin of interplanetary magnetic field
SOLAR ACTIVITY↗
A mechanism for magnetic enhancement of sound- wave generation and the dynamical origin of spicules.
Magnetic enhancement of sound wave generation and application to dynamical origin of spicules
SOLAR MAGNETIC FIELD↗
Origin of the canyon diablo no. 2 and no. 3 meteorites.
Origin of Canyon Diablo no. 2 and no. 3 meteorites from one parent body concluded from cosmogenic rare gas distributions
IRON METEORITE↗
On the origin of gas-rich meteorites.
Solar wind as possible origin of primordial rare gases in gas-rich meteorites, reviewing current theories
METEORITIC COMPOSITION↗
The origin of the emission reversals in the fraunhover h- and k-lines.
Fraunhofer H and K spectral line reversals and origin in discrete transition levels
FRAUNHOFER LINE↗
A theory of macromolecular and cellular origins.
Life origin theories emphasizing amino acids common to protein and modulation of protein into primitive cells
PROTEIN↗
Origin of the c /a super 3 iig/ goes to c sub 2 /x super 3 iiu/ emission in comets.
Origin of diatomic carbon Swan bands in cometary emissions due to hydrocarbon photodissociation
CARBON↗
Hydrocarbons of biological origin in sediments about two billion years old.
Hydrocarbons of biological origin in Gunflint iron formation sediments from shore of Lake Superior that are two billion years old, examining alkane distribution
HYDROCARBON↗