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Rare gas constraints on the history of Boulder 1, Station 2, Apollo 17
Rare gas isotopic analyses have been performed on both pile-irradiated and unirradiated samples from Boulder 1, Station 2. Two samples from rock...
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Infrared Astronomy
This is a review paper on selected topics of infrared astronomy. After a discussion of problems arising in connection with the interpretation of... -
On the density of meteoroids
The density of 512 meteoroids has been calculated by means of the ablation theory and photographic data published by Whipple , Hawkins and Southwortii ....
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Theory of Resonance Reactions and Allied Topics
α) Early developments. Alpha, beta and gamma emissions have been well known to early workers in the field of radioactivity.... -
Allgemeines über Atome, Ionen, Elektronen, Atomkerne, Photonen
In diesem Kapitel geben wir einen kurzen und notwendigerweise vielfach nur andeutenden Überblick über die historische Entwicklung der Atomistik der... -
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The longitudinal distribution of the green corona activity
Two solar cycle observational material (1947–1968) from several corona stations brought to one intensity scale have been used to study the...
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Rotation of the moon and lunar coordinate systems
The need for precise definition of lunar reference systems is stressed and the principles on which systems of lunar coordinates could be based are...
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Ten Years of Plastic Balloons
Ten Years of Plastic Balloons. 1957 is the 10th anniversary year of the plastic stratosphere balloon. During this brief history the new balloons have... -
Executive Committee 1967–1970
The present report covers the period of three years from 1 January 1967 to 31 December 1969. It follows closely the pattern as set by previous... -
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Hyperfragment production in K−-meson absorptions at rest in nuclear emulsions. Mesic decays
The results of the analysis of 26 mesic hyperfragment decays found in a sample of 2 236 K − -meson stars (excluding K
ρ - ) are given. 9 hyperfragment... -
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