main-sequence star

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main-sequence star: see Hertzsprung-Russell diagram Hertzsprung-Russell diagram [for Ejnar Hertzsprung and H. N. Russell], graph showing the luminosity of a star as a function of its surface temperature. The luminosity, or absolute magnitude, increases upwards on the vertical axis; the temperature (or some
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No references found			Either the star is so young that it hasn't finished contracting or so old--about 500 million years--that it has had time to expand its girth after becoming a main-sequence star. Beta Pictoris: young, not middle aged? by Cowen, R. / Science News For nearly a decade, Beta Pictoris has reigned as the only mature, main-sequence star with an encircling disk of dust - perhaps much like the disk from which our solar system evolved 4. Radio telescope images second dust disk by Pendick, Daniel / Science News			main rope main routine main runner main sequence Main Sequence of Stars main sequence star main sewer main shaft main stack main stage main station main storage main store main stream main stroke main sweep main thermocline main tie main trap main vent main-and-tail haulage main-and-transfer bus main-band deoxyribonucleic acid main-line locomotive main-rope haulage system main-sequence star Maina Mainbocher Mainbocher, b. MAINBOL mainbrace Maindroniidae Maine Maine Coastal Islands National Wildlife Refuge Maine coon cat Maine de Biran Maine de Biran, Marie Francois Pierre Gonthier Maine de Biran, Marie François Pierre Gonthier Maine Lobster Festival Maine Memorial Day Maine State Parks Maine, destruction of the Maine, Gulf of Maine, Henry James Sumner Maine, Sir Henry Maine, Sir Henry James Sumner Maine, University of Maine-et-Loire mainframe mainframe programmer mainframe programmer/analyst			main yard Main Zagros Reverse Fault Main Zagros Thrust Main Zone West Flexure main-and-tail haulage main-and-transfer bus main-band deoxyribonucleic acid Main-belt Asteroid Main-belt Asteroid Main-Channel Slope Main-d'oeuvre non qualifiee main-en-lorgnette deformity Main-Event Wrestling Federation Main-frame Main-frame Main-gauche Main-gauche Main-hamper Main-Kinzig-Kreises Main-line Main-line Main-line main-line locomotive Main-Line Operator Main-Lobe Jamming Main-Niles Association of Special Recreation main-rope haulage system Main-sequence Main-sequence Main-sequence main-sequence star Main-Taunus-Kreis main-topmast main-topsail Main/Alternate Telephone Number Main/Master Evaluation Center Main/Maximum Response Axis Main/Satellite/Tributary Network Maina Mainake Mainake Mainake Mainardi, Sebastiano Mainardi-Codazzi equation Mainardi-Codazzi equations Mainboard Mainboard Mainboard Mainboard mainboards Mainbocher Mainbocher Mainbocher, b. MAINBOL Mainbrace Mainbrace Maindroniidae Maine Maine Maine Maine

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