Merak vs Vega
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Merak
Merak, designated Beta Ursae Majoris, is a white main-sequence star of spectral type A1IV–V located approximately 79 light-years from the Sun in the constellation Ursa Major. It is one of the seven stars that form the Big Dipper asterism and, together with Dubhe (Alpha Ursae Majoris), serves as one of the two 'pointer stars' used to locate Polaris—the line drawn from Merak through Dubhe extends to...
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Vega
A bright blue-white point in the constellation Lyra, Vega is an A-type main-sequence star approximately 25 light-years from Earth. It forms one corner of the Summer Triangle, an asterism that helps observers recognize the northern summer sky. The gradual change in the direction of Earth's rotational axis also explains its historical role as a northern pole star, a position it does not hold today....
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