Hess diagram

Hess diagram
диаграмма Гесса

English-Russian astronomy dictionary. 2013.

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  • Hess diagram — A Hess diagram plots the relative density of occurrence of stars at differing color magnitude positions of the Hertzsprung Russell diagram for a given galaxy.The diagram is named after R. Hess who originated it in 1924. [cite book| author = R.… …   Wikipedia

  • Hertzsprung–Russell diagram — Hertzsprung–Russell diagram[1] with 22,000 stars plotted from the Hipparcos catalog and 1,000 from the Gliese catalog of nearby stars. Stars tend to fall only into certain regions of the diagram. The most predominant is the diagonal, going from… …   Wikipedia

  • Hertzsprung-Russell diagram — The Hertzsprung Russell diagram (usually referred to by the abbreviation H R diagram or HRD, also known as a colour magnitude diagram, or CMD) shows the relationship between absolute magnitude, luminosity, classification, and effective… …   Wikipedia

  • Tip of the red giant branch — (TRGB) is a primary distance indicator used in astronomy. It uses the luminosity of the brightest red giant branch stars in a galaxy to gauge the distance to that galaxy. It has been used in conjunction with observations from the Hubble Space… …   Wikipedia

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  • Natural gas condensate — is a low density mixture of hydrocarbon liquids that are present as gaseous components in the raw natural gas produced from many natural gas fields. It condenses out of the raw gas if the temperature is reduced to below the hydrocarbon dew point… …   Wikipedia

  • Gosset 3 21 polytope — In 7 dimensional geometry, the 321 is a semiregular polytope, enumerated by Thorold Gosset in his 1900 paper. He called it an 7 ic semi regular figure . It is called the Hess polytope for Edmund Hess who first discovered it.Its construction is… …   Wikipedia

  • Cerebral aneurysm — Classification and external resources Diagram of cerebral aneurysm. ICD 10 I …   Wikipedia

  • climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

  • List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia

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