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- Red_supergiant abstract "Red supergiants (RSGs) are supergiant stars (luminosity class I) of spectral type K or M. They are the largest stars in the universe in terms of volume, although they are not the most massive. Betelgeuse and Antares are the best known examples of a red supergiant.After the hydrogen in a star's core has fused, stars with more than about 10 solar masses become red supergiants for the duration of their helium-fusing phase. These stars have very cool surface temperatures (3500–4500 K), and enormous sizes. Some extreme examples of red supergiants are VV Cephei A, V354 Cephei, KY Cygni, and KW Sagittarii, which all have radii about 1500 times that of the Sun (about 7 astronomical units, or 7 times as far as the Earth is from the Sun). The radius of most red supergiants is between 200 and 800 times that of the Sun. They last 10 to 100 million years and are sometimes found in clusters. Luminosities can exceed 500,000 times that of the Sun. Several well-known red supergiants are: NML Cygni KY Cygni RW Cephei V354 Cephei VX Sagittarii Westerlund 1-26 WOH G64 Mu Cephei Antares BetelgeuseAs per their smaller kind the red giants and in contrast to Sun-like stars, instead of having a large number of small photospheric convection cells (solar granules) a red supergiant's photosphere have just a few large convective cells, whose feature cause the variations of brightness so common on both types of stars.".
- Red_supergiant thumbnail Redgiants.svg?width=300.
- Red_supergiant wikiPageExternalLink redsup.html.
- Red_supergiant wikiPageID "200011".
- Red_supergiant wikiPageRevisionID "606537230".
- Red_supergiant hasPhotoCollection Red_supergiant.
- Red_supergiant subject Category:M-type_supergiants.
- Red_supergiant subject Category:Star_types.
- Red_supergiant subject Category:Stellar_phenomena.
- Red_supergiant type CelestialBody109239740.
- Red_supergiant type M-typeSupergiants.
- Red_supergiant type NaturalObject100019128.
- Red_supergiant type Object100002684.
- Red_supergiant type Phenomenon100034213.
- Red_supergiant type PhysicalEntity100001930.
- Red_supergiant type Process100029677.
- Red_supergiant type Star109444100.
- Red_supergiant type StellarPhenomena.
- Red_supergiant type Supergiant109450708.
- Red_supergiant type Whole100003553.
- Red_supergiant type CelestialBody.
- Red_supergiant type Star.
- Red_supergiant type PhysicalBody.
- Red_supergiant comment "Red supergiants (RSGs) are supergiant stars (luminosity class I) of spectral type K or M. They are the largest stars in the universe in terms of volume, although they are not the most massive. Betelgeuse and Antares are the best known examples of a red supergiant.After the hydrogen in a star's core has fused, stars with more than about 10 solar masses become red supergiants for the duration of their helium-fusing phase.".
- Red_supergiant label "Czerwony nadolbrzym".
- Red_supergiant label "Red supergiant".
- Red_supergiant label "Roter Überriese".
- Red_supergiant label "Supergigante roja".
- Red_supergiant label "Supergigante rossa".
- Red_supergiant label "Supergéante rouge".
- Red_supergiant label "عملاق أحمر ضخم".
- Red_supergiant label "紅超巨星".
- Red_supergiant label "赤色超巨星".
- Red_supergiant sameAs Červený_veleobr.
- Red_supergiant sameAs Roter_Überriese.
- Red_supergiant sameAs Supergigante_roja.
- Red_supergiant sameAs Supergéante_rouge.
- Red_supergiant sameAs Supergigante_rossa.
- Red_supergiant sameAs 赤色超巨星.
- Red_supergiant sameAs 적색초거성.
- Red_supergiant sameAs Czerwony_nadolbrzym.
- Red_supergiant sameAs m.01cdpz.
- Red_supergiant sameAs Q5898.
- Red_supergiant sameAs Q5898.
- Red_supergiant sameAs Red_supergiant.
- Red_supergiant wasDerivedFrom Red_supergiant?oldid=606537230.
- Red_supergiant depiction Redgiants.svg.
- Red_supergiant isPrimaryTopicOf Red_supergiant.