Mass: Estimates average around 20 times the mass of the sun. Un libro è un insieme di fogli, stampati oppure manoscritti, delle stesse dimensioni, rilegati insieme in un certo ordine e racchiusi da una copertina.. Il libro è il veicolo più diffuso del sapere. The only stars in the northern celestial hemisphere brighter than Capella are Arcturus in Boötes constellation and Vega in Lyra.The only other star visible from northern latitudes that is brighter than Capella is Sirius in the southern constellation Canis Major. With an apparent magnitude of -0.05, it is the brightest star in the northern celestial hemisphere, just outshining Vega and Capella. Luminosity classes The Harvard scheme specifies only the surface temperature and some spectral features of the star. Star Wars™ HARRY POTTER™ The Grinch™ Disney Frozen 2™ Golden State Warriors™ Collection Gift Cards Gift Cards & eGift Cards Gifts by Price Under $25 Under $50 Under $100 $100 and Up Gifts by Occasion Wedding Graduation Thank You Housewarming Give the perfect gift. Capella, also known as Alpha Aurigae or the Goat Star, is the brightest star in Auriga and the sixth brightest star in the sky.. Star Type: Class M Supergiant. The Sun is a G2 type star. The star appears so big just because of the scattering of light by the telescope's optics as well as in the photographic emulsion. Ford also owns Brazilian SUV manufacturer … It is the brightest star in Boötes and the 4th brightest star in the sky. The company sells automobiles and commercial vehicles under the Ford brand, and most luxury cars under the Lincoln brand. Other modern stellar classification systems , such as the UBV system , are based on color indices —the measured differences in three or more color magnitudes . A star midway through the range between F0 and G0 would be an F5 type star. The Ford Motor Company, commonly known as Ford, is an American multinational automaker that has its main headquarters in Dearborn, Michigan, a suburb of Detroit.It was founded by Henry Ford and incorporated on June 16, 1903. Diameter: Approx 850 million miles (1.4 billion km) - 1000 x Sun. Antares is a two star system consisting of the red supergiant Antares A and the much smaller but hotter Antares B. Antares B is ten times more massive than our sun and around 150 times brighter, but as a result of it being dwarfed by its massive parent star it cannot be viewed without the aid of a telescope. Luminosity: Approx 100,000 x Sun. If you are reading this because you want to buy a star name, check the IAU Theme Buying Stars and Star Names.Otherwise, please read the text below. Temperature: Approx 3200C (5800F) Age: Approx 10 million … Within each of these seven broad categories, Canon assigned subclasses numbered 0 to 9. Capella / k ə ˈ p ɛ l ə /, designated α Aurigae (Latinized to Alpha Aurigae, abbreviated Alpha Aur, α Aur), is the brightest star in the constellation of Auriga, the sixth-brightest star in the night sky, and the third-brightest in the northern celestial hemisphere after Arcturus and Vega.A prominent object in the northern winter sky, it is circumpolar to observers north of 44°N. Arcturus, Alpha Boötis (α Boo), is a giant star of the spectral type K0 III located in the northern constellation Boötes. Any occasion, any time. Each star is assigned a spectral class from the older Harvard spectral classification and a luminosity class using Roman numerals as explained below, forming the star's spectral type.
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