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A star is a luminous ball of partially ionized gas that is held by gravity. The more massive the star is the shorter its lifespan due to its greater pressure on their cores causing them to burn hydrogen more rapidly. The life span of massive star is about one million years while stars with minimum mass like the red dwarfs lasts ten to hundreds of billions of years. Stellar evolution begins with a giant molecular cloud (GMC), as it collapse the GMC breaks into smaller pieces and produces a gravitational potential energy as heat. As the temperature and pressure of the gas increase it condenses into a rotating sphere called protostar. Protostars with mass less than 1.6 times ten to the twenty nine power kilograms never reach a temperature for nuclear fusion of hydrogen but for more massive protostars, the core will reach a temperature of 10 million Kelvin which allows hydrogen to fuse. The continuous fusion of hydrogen into helium will cause a build-up of helium in the core. The accumulation of helium in the core causes increase in fusion rate and gravitational self-compression rate, eventually the supply of hydrogen will be exhausted and burned out its fuel supply. It can take the form of a white dwarf, neutron star and black hole when its fuel is burned out. List of named stars and its designation Acamar - Theta Eridani Achernar - Alpha Eridani Achird - Eta Cassiopeiae Acrab - Beta Scorpii Acrux - Alpha Crucis Acubens - Alpha Cancri Adhafera - Zeta Leonis Adhara - Epsilon Canis Majoris Ain - Epsilon Tauri Aladfar - Eta Lyrae Alamak - Gamma Andromedae Alathfar - Mu Lyrae Alaraph - Beta Virginis Albaldah - Pi Sagittarii Albali - Epsilon Aquarii Albireo - Beta Cygni Alchiba - Alpha Corvi Alcor - 80 Ursae Majoris Alcyone - Eta Tauri Aldebaran - Alpha Tauri Alderamin - Alpha Cephei Aldhafera - Zeta Leonis Aldhanab - Gamma Gruis Aldhibah - Zeta Draconis Aldib - Delta Draconis Al Fawaris - Delta Cygni Alfecca Meridiana - Alpha Coronae Australis Alfirk - Beta Cephei Algedi - Alpha Capricorni Al Giedi - Alpha Capricorni Algenib - Alpha Persei, or ... Algenib - Gamma Pegasi Algieba - Gamma Leonis Algol - Beta Persei Algorab - Delta Corvi Alhajoth - Alpha Aurigae Alhena - Gamma Geminorum Alioth - Epsilon Ursae Majoris Alkaid - Eta Ursae Majoris Al Kurud - Theta Columbae Al Kalb al Rai - Rho-2 Cephei Alkalurops - Mu Bootis Al Kaphrah - Chi Ursae Majoris Alkes - Alpha Crateris Alkurah - Xi Cephei Almach - Gamma Andromedae Al Minliar al Asad - Kappa Leonis Al Nair - Alpha Gruis Alnasl - Gamma Sagittarii Alnilam - Epsilon Orionis Alnitak - Zeta Orionis Alniyat - Tau Scorpii Al Niyat - Sigma Scorpii Alphard - Alpha Hydrae Alphecca - Alpha Coronae Borealis Alpheratz - Alpha Andromedae Alrai - Gamma Cephei Alrakis - Mu Draconis Alrami - Alpha Sagittarii Alrischa - Alpha Piscium Alruccabah - Alpha Ursae Minoris Alsafi - Sigma Draconis Alsciaukat - 31 Lyncis Alshain - Beta Aquilae Alshat - Nu Capricorni Altair - Alpha Aquilae Altais - Delta Draconis Altarf - Beta Cancri Alterf - Lambda Leonis Al Thalimain - Iota Aquilae, or ... Al Thalimain - Lambda Aquilae Aludra - Eta Canis Majoris Alula Australis - Xi Ursae Majoris Alula Borealis - Nu Ursae Majoris Alwaid - Beta Draconis Alya - Theta Serpentis Alzir - Xi Geminorum Ancha - Theta Aquarii Angetenar - Tau-2 Eridani Ankaa - Alpha Phoenicis Antares - Alpha Scorpii Arcturus - Alpha Bootis Arich - Gamma Virginis Arided - Alpha Cygni Arkab - Beta Sagittarii Arkab Prior - Beta-1 Sagittarii Arkab Posterior - Beta-2 Sagittarii Arm - Eta Capricorni Arneb - Alpha Leporis Arrakis - Mu Draconis Ascella - Zeta Sagittarii Asellus Australis - Delta Cancri Asellus Borealis - Gamma Cancri Asellus Primus - Theta Bootis Asellus Secundus - Iota Bootis Asellus Tertius - Kappa Bootis Ashlesha - Epsilon Hydrae Askella - Zeta Sagittarii Aspidiske - Iota Carinae Asterion - Beta Canum Venaticorum Asterope - 21 Tauri Atik - Omicron Persei Atlas - 27 Tauri Atria - Alpha Trianguli Australis Auva - Delta Virginis Avior - Epsilon Carinae Azaleh - Zeta Aurigae Azelfafage - Pi-1 Cygni Azha - Eta Eridani Azimech - Alpha Virginis Azmidiske - Xi Puppis Baham - Theta Pegasi Baten Kaitos - Zeta Ceti Becrux - Beta Crucis Beid - Omicron-1 Eridani Bellatrix - Gamma Orionis Benetnasch - Eta Ursae Majoris Betelgeuse - Alpha Orionis Betria - Beta Trianguli Australis Bharani - 41 Arietis Biham - Theta Pegasi Birdun - Epsilon Centauri Birhan Isat - 5 Tauri Botein - Delta Arietis Brachium - Sigma Librae Bunda - Xi Aquarii Canopus - Alpha Carinae Capella - Alpha Aurigae Caph - Beta Cassiopeiae Castor - Alpha Geminorum Cebalrai - Beta Ophiuchi Celaeno - 16 Tauri Chara - Alpha Canum Venaticorum, or sometimes Chara - Beta Canum Venaticorum Cheleb - Beta Ophiuchi Chertan - Theta Leonis Chort - Theta Leonis Chow - Beta Serpentis Cor Caroli - Alpha Canum Venaticorum Cursa - Beta Eridani Dabih - Beta Capricorni Decrux - Delta Crucis Deneb - Alpha Cygni Deneb Algedi - Delta Capricorni Deneb Dulfim - Epsilon Delphini Deneb el Okab - Zeta Aquilae Deneb Kaitos - Beta Ceti Deneb Kaitos Schemali - Iota Ceti Denebola - Beta Leonis Dheneb - Eta Ceti Diadem - Alpha Comae Berenices Diphda - Beta Ceti Dnoces - Iota Ursae Majoris Dschubba - Delta Scorpii Dubhe - Alpha Ursae Majoris Duhr - Delta Leonis Edasich - Iota Draconis Electra - 17 Tauri Elmuthalleth - Alpha Trianguli Elnath - Beta Tauri Eltanin - Gamma Draconis Enif - Epsilon Pegasi Errai - Gamma Cephei Etamin - Gamma Draconis Fomalhaut - Alpha Piscis Austrinus Fum al Samakah - Beta Piscium Furud - Zeta Canis Majoris Gacrux - Gamma Crucis Garnet Star - Mu Cephei Gatria - Gamma Trianguli Australis Gianfar - Lambda Draconis Giedi - Alpha Capricorni Gienah Gurab - Gamma Corvi Giennah - Epsilon Cygni Girtab - Kappa Scorpii Gomeisa - Beta Canis Minoris Gorgonea Tertia - Rho Persei Graffias - Beta Scorpii Grafias - Beta Scorpii Grassias - Beta Scorpii Grumium - Xi Draconis Hadar - Beta Centauri Hadir - Sigma Puppis Haedus - Zeta Aurigae Haldus - Epsilon Aurigae Hamal - Alpha Arietis Hassaleh - Iota Aurigae Head of Hydrus - Alpha Hydri Heka - Lambda Orionis Heze - Zeta Virginis Hoedus (I) - Zeta Aurigae Hoedus II - Eta Aurigae Homam - Zeta Pegasi Hyadum I - Gamma Tauri Hyadum II - Delta-1 Tauri Hydrobius - Zeta Hydrae Izar - Epsilon Bootis Jabbah - Nu Scorpii Jih - Kappa Pegasi Juxta Crucem - Epsilon Crucis Kabdhilinan - Iota Aurigae Kaffaljidhma - Gamma Ceti Kajam - Omega Herculis Kastra - Epsilon Capricorni Kaus Australis - Epsilon Sagittarii Kaus Borealis - Lambda Sagittarii Kaus Media - Delta Sagittarii Keid - Omicron-2 Eridani Kitalpha - Alpha Equulei Kleeia - Delta-3 Tauri Kochab - Beta Ursae Minoris Kornephoros - Beta Herculis Kraz - Beta Corvi Ksora - Delta Cassiopeiae Kullat Nunu - Eta Piscium Kuma - Nu Draconis Lanx Australis - Beta Librae La Superba - Y Canum Venaticorum Lesath - Upsilon Scorpii Lucida Anseris - Alpha Vulpeculae Maasym - Lambda Herculis Mahasim - Theta Aurigae Maia - 20 Tauri Marfark - Theta Cassiopeiae Marfik - Lambda Ophiuchi Markab - Alpha Pegasi and HR 2948 Matar - Eta Pegasi Mebsuta - Epsilon Geminorum Media - Delta Sagittarii Megrez - Delta Ursae Majoris Meissa - Lambda Orionis Mekbuda - Zeta Geminorum Menchib - Xi Persei Menkab - Alpha Ceti Menkalinan - Beta Aurigae Menkar - Alpha Ceti Menkent - Theta Centauri Menkib - Zeta Persei Merak - Beta Ursae Majoris Merga - 38 Boötis Merope - 23 Tauri Mesarthim - Gamma Arietis Miaplacidus - Beta Carinae Mimosa - Beta Crucis, Becrux Minchir - Sigma Hydrae Minelava - Delta Virginis Minkar - Epsilon Corvi Mintaka - Delta Orionis Mira - Omicron Ceti Mirach - Beta Andromedae Miram - Eta Persei Mirfak - Alpha Persei Mirzam - Beta Canis Majoris Misam - Kappa Persei Mizar - Zeta Ursae Majoris Mothallah - Alpha Trianguli Muliphein - Gamma Centauri, Gamma Canis Majoris Muphrid (or Mufrid) - Eta Bootis Murzim - Beta Canis Majoris Muscida - Omicron Ursae Majoris Muscida - Pi-1 Ursae Majoris Muscida - Pi-2 Ursae Majoris Nair Al Saif - Iota Orionis Naos - Zeta Puppis Nash - Gamma Sagittarii Nashira - Gamma Capricorni Navi - Epsilon Cassiopeiae Nekkar - Beta Boötis Nembus - 51 Andromedae (Upsilon Persei) Neshmet - Mu Leporis Nihal - Beta Leporis Nunki - Sigma Sagittarii Nusakan - Beta Coronae Borealis Okul - Pi Capricorni Peacock - Alpha Pavonis Phact - Alpha Columbae Phad (or Phecda, Phekda) - Gamma Ursae Majoris Pherkad - Gamma Ursae Minoris Pherkard - Delta Ursae Minoris Pleione - 28 Tauri - see Pleiades Polaris - Alpha Ursae Minoris Polaris Australis - Sigma Octantis Pollux - Beta Geminorum Porrima - Gamma Virginis Praecipua - 46 Leonis Minoris Procyon - Alpha Canis Minoris Propus - Eta Geminorum Proxima Centauri - Alpha Centauri C Pulcherrima - Epsilon Boötis Rana - Delta Eridani Ras Algethi - Alpha Herculis Ras Alhague - Alpha Ophiuchi Ras Elased Australis - Epsilon Leonis Rasalas - Mu Leonis Rastaban - Beta Draconis Ras Thaoum - Alpha Geminorum Regor - Gamma Velorum Regulus - Alpha Leonis Rigel - Beta Orionis Rigil Kentaurus - Alpha Centauri Rijl al Awwa - Mu Virginis Rotanev - Beta Delphini Ruchba - Omega-2 Cygni Ruchbah - Delta Cassiopeiae Rukbat - Alpha Sagittarii Rukh - Delta Cygni Sabik - Eta Ophiuchi Sadachbia - Gamma Aquarii Sadalbari - Mu Pegasi Sadalmelik - Alpha Aquarii Sadalsuud - Beta Aquarii Sadatoni - Zeta Aurigae Sadira - Epsilon Eridani Sadr - Gamma Cygni Saiph - Kappa Orionis Salm - Tau Pegasi Sargas - Theta Scorpii Sarin - Delta Herculis Sarir - Theta Ursae Majoris Sasin - Epsilon Leporis Sceptrum - 53 Eridani Scheat - Beta Pegasi Scheddi - Delta Capricorni Schedir or Schedar - Alpha Cassiopeiae Segin - Epsilon Cassiopeiae Seginus - Gamma Bootis Sham - Alpha Sagittae Shaula - Lambda Scorpii Sheliak - Beta Lyrae Sheratan - Beta Arietis Shurnarkabtishashutu - Zeta Tauri Sinistra - Nu Ophiuchi Sirius - Alpha Canis Majoris Situla - Kappa Aquarii Skat - Delta Aquarii Spica - Alpha Virginis Sterope II - 22 Tauri Sualocin - Alpha Delphini Subra - Omicron Leonis Suhail - Lambda Velorum Sulafat - Gamma Lyrae Sun - sometimes known as Sol Syrma - Iota Virginis Tabit - Pi-3 Orionis Talitha Australis - Kappa Ursae Majoris Talitha Borealis - Iota Ursae Majoris Tania Australis - Mu Ursae Majoris Tania Borealis - Lambda Ursae Majoris Tarazet or Tarazed - Gamma Aquilae Taygeta - 19 Tauri Tegmen or Tegmine - Zeta Cancri Terebellum - Omega Sagittarii Tejat Posterior - Mu Geminorum Tejat Prior - Eta Geminorum Thabit - Upsilon Orionis Theemin - Upsilon-2 Eridani Thuban - Alpha Draconis Tien Kuan - Zeta Tauri Toliman - Alpha Centauri Torcularis Septentrionalis - Omicron Piscium Tseen Kee - Phi Velorum Tureis - Pi Puppis Tyl - Epsilon Draconis Unuk or Unukalhai - Alpha Serpentis Ushakaron - Xi Tauri Vega - Alpha Lyrae Vindemiatrix - Epsilon Virginis Wasat - Delta Geminorum Wazn - Beta Columbae Wei - Epsilon Scorpii Wezen - Delta Canis Majoris Yed Prior - Delta Ophiuchi Yed Posterior - Epsilon Ophiuchi Yildun - Delta Ursae Minoris Zaniah - Eta Virginis Zaurak - Gamma Eridani Zavijava - Beta Virginis Zosma - Delta Leonis Zuben-el-Akrab - Gamma Librae Zuben-el-Akribi - Delta Librae Zubenelgenubi - Alpha Librae Zuben-el-schemali or Zubeneschamali - Beta Librae Stars appear white when we first look at it but if will just look carefully we can notice a range of colors such as blue, white, red, yellow. Cooler stars radiate most if its energy in the red and infrared region of the spectrum that is why it appears red while hot stars emits mostly on blue and ultraviolet wavelength, making it appear blue or white. Star color depends on its surface temperature.
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