- main-sequence star
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English-russian dictionary of physics. 2013.
main-sequence star
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main-sequence star — /meɪn sikwəns ˈsta/ (say mayn seeksuhns stah) noun Astronomy any of the stars which form the main band in the Hertzsprung Russell diagram, whose energy comes from nuclear fission as they convert hydrogen to helium, the sun being one example …
K-type main-sequence star — Hertzsprung–Russell Diagram Spectral Type Br … Wikipedia
Pre-main sequence star — A pre main sequence star (PMS star, or PMS object) is a star in the stage when it has not yet reached the main sequence. It can be a T Tauri star or FU Orionis star (0.5 Solar mass translates into a move along Hayashi tracks (almost vertically… … Wikipedia
O-type main-sequence star — Hertzsprung–Russell Diagram Spectral Type Bro … Wikipedia
Main sequence — A Hertzsprung Russell diagram plots the actual brightness (or absolute magnitude) of a star against its color index (represented as B V). The main sequence is visible as a prominent diagonal band that runs from the upper left to the lower right.… … Wikipedia
main sequence — main se quence, n. (Astronomy) That region on a two dimensional graph of luminosity versus temperature for stars (the Herzsprung Russel diagram), which runs from high temperature and high luminosity to low temperature and low luminosity, in which … The Collaborative International Dictionary of English
main sequence — noun Date: 1925 the group of stars that on a graph of spectrum versus luminosity forms a band comprising 90 percent of stellar types and that includes stars representative of the stages a normal star passes through during the majority of its… … New Collegiate Dictionary
Star formation — is the process by which dense parts of molecular clouds collapse into a ball of plasma to form a star. As a branch of astronomy star formation includes the study of the interstellar medium and giant molecular clouds as precursors to the star… … Wikipedia
Off the Main Sequence — Off the Main Sequence: The Other Science Fiction Stories of Robert A. Heinlein … Wikipedia
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
Star — For other uses, see Star (disambiguation) … Wikipedia
