Particle Track, X-ray, Thermal, and Mass Spectrometric Studies of Lunar Material

Particle Track, X-ray, Thermal, and Mass Spectrometric Studies of Lunar Material

Particle tracks in Apollo 11 samples are dominantly of cosmic ray and solar origin: primary galactic and solar flare particles, likely spallation recoil tracks, and possible solar-wind heavy particles. The energy spectrum of irongroup nuclei is inferred from track density gradients in surface layers...

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Bibliographische Detailangaben
Veröffentlicht in:Science (American Association for the Advancement of Science) 1970-01, Vol.167 (3918), p.568-571
Hauptverfasser: Fleischer, R. L., Haines, E. L., Hanneman, R. E., Hart, H. R., Kasper, J. S., Lifshin, E., Woods, R. T.
Format: Artikel
Sprache:eng
Schlagworte:
ABUNDANCE
Argon
CHARGED PARTICLES
COSMIC PARTICLES/reactions with lunar surface materials, particle-track analysis of, (E)
COSMIC RADIATION
Cosmic rays
Crystals
EROSION
Gases
HELIUM
HELIUM/abundance in Apollo 11 lunar samples, (E)
HYDROGEN
HYDROGEN/ abundance in Apollo 11 lunar samples, (E)
LUNAR MATERIALS/ particle-track analysis of Apollo 11, cosmic-ray and solar, (E)
Lunar soil
MINERALS
MOON
N32110 -Physics-Astrophysics-Cosmic Ray Exposure Ages
N32180 -Physics-Astrophysics-Planetary Phenomena
PARTICLE TRACKS
PRIMARY COSMIC RADIATION
Radioactive decay
RARE GASES
RARE GASES/abundance in Apollo 11 lunar samples, (E)
ROCKS
Soil depth
SOLAR PARTICLES/reactions with lunar surface materials, particle-track analysis of, (E)
SOLAR WIND
Spallation
SPECTRA
Stable Isotopes, Rare Gases, Solar Wind, and Spallation Products
SUN
X RADIATION
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Beschreibung
Zusammenfassung:Particle tracks in Apollo 11 samples are dominantly of cosmic ray and solar origin: primary galactic and solar flare particles, likely spallation recoil tracks, and possible solar-wind heavy particles. The energy spectrum of irongroup nuclei is inferred from track density gradients in surface layers, and a limit of
ISSN:0036-8075
1095-9203
DOI:10.1126/science.167.3918.568