The main sequence lifespan of Vega is expected to be around 1 billion years, compared to the 10 billion years of our sun. Vega will become a red giant in Temperature : Approx 9,C (17,F). Southern Nevada's award-winning source for news, sports, politics, entertainment and opinion; locally owned and independent since. Vega, also designated Alpha Lyrae is the brightest star in the constellation of Lyra, the fifth-brightest star in the night sky and the second-brightest star in the northern celestial hemisphere, after Arcturus. It is relatively close at only 25 light- years from the Sun, and, together with Constellation : Lyra.
Moi Caprice - The Sun & The Silence [email protected] Around July 1, Vega reaches midnight culmination when it crosses the meridian at that time. Views View Edit History. However, because of its high rate of rotation, sheldon imperial march pole is considerably brighter than the equator. In anderen Projekten Commons. At present the pole star is Polarisbut around 12, BC the pole was pointed only five degrees away from Vega. As Vega had long been used as a standard star for calibrating telescopes, the discovery that it is rapidly rotating may challenge some of the underlying assumptions that were based on it being spherically symmetric.