5,941 pages on this wiki. This is a list of Dragon Ball anime episodes and movies under their FUNimation dub names. For a list of Dragon Ball Z and Dragon Ball GT episodes, see the list of Dragon Ball Z episodes and the list of Dragon Ball GT episodes. For a list of Dragon Ball Super episodes, see List of Dragon Ball Super episodes.
In stellar navigation, Rigel is one of the most important navigation stars, since it is bright, easily located and equatorial, which means it is visible all around the world's oceans (the exception, areas within 8Â° of the North Pole).
Find the radius of the star Rigel, the bright blue star in the constellation Orion that radiates energy at a rate of 2.7 x 10^32 W and has a surface temperature of 11,000 K. Assume that the star is spherical. Use Ï =... show more It is a good approximation to assume that the emissivity e is equal to 1 for these surfaces.