rain-wash
rain-wash A general term for the transfer of material across the surface and down a hillslope as a result of rainfall. Normally it consists of two components: rain-splash, which is the detachment and subsequent down-slope transfer of small soil particles by raindrop impact; and soil-wash, which is the down-slope movement of material by surface water flow. Rain-wash and
creep are the two main hillslope processes.
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Ejnar Hertzsprung
Book article from: The Columbia Encyclopedia, Sixth Edition
Ejnar Hertzsprung , 1873-1967, Danish astronomer. Although trained as a chemical engineer, Hertzsprung made his career in astronomy, specializing...of intermediate color, called the Hertzsprung gap. Working independently, both...
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Hertzsprung, Ejnar
Dictionary entry from: Complete Dictionary of Scientific Biography
Hertzsprung, Ejnar ( b . Frederiksberg, Denmark, 8 October...Hertzprung ’ s father, Severin Hertzsprung, had a graduate degree in astronomy...these fields as a career. As a result Hertzsprung decided to study chemical engineering...
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Hertzsprung-Russell Diagram
Encyclopedia entry from: The Gale Encyclopedia of Science
Hertzsprung-Russell Diagram A Hertzsprung-Russell diagram, or HR diagram, is a graph of stellar...created independently in the early 1900s by the astronomers Ejnar Hertzsprung (1873-1967) and Henry Norris Russell (1877-1957...
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Hertzsprung-Russell diagram
Book article from: The Columbia Encyclopedia, Sixth Edition
Hertzsprung-Russell diagram [for Ejnar Hertzsprung and H. N. Russell ], graph (see illustration) showing the luminosity of a star as a function of its surface temperature. The luminosity, or absolute magnitude , increases upwards on the...
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Stellar Life Cycle
Book article from: World of Earth Science
...years old. In 1913, Danish Astronomer Ejnar Hertzsprung (1873 – 1967) and English astronomer...independently developed what is now known as the Hertzsprung-Russell diagram. In the Hertzsprung-Russell diagram, the spectral type...
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