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- Red_dwarf abstract "A red dwarf is a small and relatively cool star on the main sequence, either late K or M spectral type. Red dwarfs range in mass from a low of 0.075 solar masses (the upper limit for a brown dwarf) to about 50% of the Sun and have a surface temperature of less than 4,000 K. Red dwarfs are by far the most common type of star in the Milky Way galaxy, at least in the neighborhood of the Sun, but due to their low luminosity, individual red dwarfs cannot easily be observed. From Earth, not one is visible to the naked eye. Proxima Centauri, the nearest star to the Sun, is a red dwarf (Type M5, apparent magnitude 11.05), as are twenty of the next thirty nearest.According to some estimates, red dwarfs make up three-quarters of the stars in our galaxy.Stellar models indicate that red dwarfs with less than 35% of the Sun's mass are fully convective. Hence the helium produced by the thermonuclear fusion of hydrogen is constantly remixed throughout the star, avoiding a buildup at the core. Red dwarfs therefore develop very slowly, having a constant luminosity and spectral type for, in theory, some trillions of years, until their fuel is depleted. Because of the comparatively short age of the universe, no red dwarfs of advanced evolutionary stages exist.".
- Red_dwarf thumbnail Red_dwarf_lifetime.png?width=300.
- Red_dwarf wikiPageExternalLink red-dwarfs.shtml.
- Red_dwarf wikiPageExternalLink 051130_small_planet.html.
- Red_dwarf wikiPageExternalLink fall03.shtml.
- Red_dwarf wikiPageExternalLink pr-22-02.html.
- Red_dwarf wikiPageExternalLink article.cfm?chanID=sa004&articleID=000CC344-B043-1353-AF3383414B7FFE9F.
- Red_dwarf wikiPageExternalLink flares.html.
- Red_dwarf wikiPageID "56099".
- Red_dwarf wikiPageRevisionID "605852378".
- Red_dwarf hasPhotoCollection Red_dwarf.
- Red_dwarf subject Category:M-type_main-sequence_stars.
- Red_dwarf subject Category:Star_types.
- Red_dwarf subject Category:Stellar_phenomena.
- Red_dwarf comment "A red dwarf is a small and relatively cool star on the main sequence, either late K or M spectral type. Red dwarfs range in mass from a low of 0.075 solar masses (the upper limit for a brown dwarf) to about 50% of the Sun and have a surface temperature of less than 4,000 K. Red dwarfs are by far the most common type of star in the Milky Way galaxy, at least in the neighborhood of the Sun, but due to their low luminosity, individual red dwarfs cannot easily be observed.".
- Red_dwarf label "Anã vermelha".
- Red_dwarf label "Czerwony karzeł".
- Red_dwarf label "Enana roja".
- Red_dwarf label "Naine rouge".
- Red_dwarf label "Nana rossa".
- Red_dwarf label "Red dwarf".
- Red_dwarf label "Rode dwerg".
- Red_dwarf label "Roter Zwerg".
- Red_dwarf label "Красный карлик".
- Red_dwarf label "قزم أحمر".
- Red_dwarf label "紅矮星".
- Red_dwarf label "赤色矮星".
- Red_dwarf sameAs Červený_trpaslík.
- Red_dwarf sameAs Roter_Zwerg.
- Red_dwarf sameAs Ερυθρός_νάνος.
- Red_dwarf sameAs Enana_roja.
- Red_dwarf sameAs Nano_gorri.
- Red_dwarf sameAs Naine_rouge.
- Red_dwarf sameAs Katai_merah.
- Red_dwarf sameAs Nana_rossa.
- Red_dwarf sameAs 赤色矮星.
- Red_dwarf sameAs 적색왜성.
- Red_dwarf sameAs Rode_dwerg.
- Red_dwarf sameAs Czerwony_karzeł.
- Red_dwarf sameAs Anã_vermelha.
- Red_dwarf sameAs m.0fjvv.
- Red_dwarf sameAs Q5893.
- Red_dwarf sameAs Q5893.
- Red_dwarf wasDerivedFrom Red_dwarf?oldid=605852378.
- Red_dwarf depiction Red_dwarf_lifetime.png.
- Red_dwarf isPrimaryTopicOf Red_dwarf.