- Russell dwarf
- a dwarf with Silver-Russell syndrome.
Medical dictionary. 2011.
Russell dwarf
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Russell dwarf syndrome (dwarfism) — Rus·sell dwarf, syndrome (dwarfism) (rusґəl) [Alexander Russell, British pediatrician, 1914–2003] see under dwarf and see Silver Russell syndrome, under syndrome … Medical dictionary
Dwarf nova — HT Cas seen in outburst (mag 13.4) on 2010 November 2. Li … Wikipedia
Russell , Henry Norris — (1877–1957) American astronomer Russell, the son of a Presbyterian minister, was born in in Oyster Bay, New York. A brilliant scholar at Princeton, he graduated in 1897 and obtained his PhD in 1899. He spent the period 1902–05 as a research… … Scientists
Dwarf star — The term dwarf star refers to a variety of distinct classes of stars. Dwarf star alone generally refers to any main sequence star, a star of luminosity class V. Red dwarfs are low mass main sequence stars. Yellow dwarfs are main sequence (dwarf)… … Wikipedia
dwarf star — Astron. any of the ordinary main sequence stars, as those of spectral types O, B, A, F, G, K, and M. Also called dwarf. Cf. white dwarf. [1910 15] * * * Any star of average or low luminosity, mass, and size, including white dwarf stars and red… … Universalium
Russell, Henry Norris — ▪ American astronomer born Oct. 25, 1877, Oyster Bay, N.Y., U.S. died Feb. 18, 1957, Princeton, N.J. American astronomer one of the most influential during the first half of the 20th century who played a major role in the establishment of modern … Universalium
dwarf star — noun A star that is located in the main sequence in the Hertzsprung Russell diagram; fuses hydrogen into helium in its core. Syn: dwarf, main sequence star … Wiktionary
Silver dwarf — Russell d … Medical dictionary
White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A … 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
