| 释义 |
Russell diagram, n. Astron. disused.
Brit. |ˌrʌsl ˈdʌɪəgram|, U.S. |ˈˌrəsəl ˈˌdaɪəˌgræm|
[‹ the name of Henry Norris Russell (1877–1957), U.S. astrophysicist (see Hertzsprung–Russell diagram n.) + diagram n.]
= Hertzsprung–Russell diagram n.
[1919J. H. Jeans in Philos. Trans. (Royal Soc.) (A.) 218209 Russell's well-known diagram of absolute magnitudes..shows a range of something like five magnitudes..for dwarf stars of similar spectral type.] [1920Sci. Monthly Sept. 229 Russell's diagram of his results is very like a stepladder, the top representing the B stars followed followed by A, F, G, K, M, in descending order... Russell brought this diagram with him when he came to attend the meeting of the Solar Union at Bonn in 1913.] 1925Proc. National Acad. Sci. U.S.A. 11 127 If for some reason the stars all start with approximately the same mass and this mass is sufficient to carry them to the B type, the path of individuals on the Russell diagram will be simply that of the maximum frequency on the diagram. 1930H. Shapley Star Clusters ii. 9 In the Pleiades type, the stars, almost without exception, lie along the ‘main branch’ of a Russell diagram, with the earliest classes B or A. 1952J. B. Sidgwick tr. P. Couderc Expansion of Universe ii. 68 The Russell diagram..has drawn our attention to the existence of dwarf, giant, and supergiant stars. 1978Physics Today Mar. 38/1 (caption) Unpublished Russell diagram..dated 1913. |