Pherkad vs Merak
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Pherkad
Pherkad, or Gamma Ursae Minoris, is a naked-eye star in the northern constellation Ursa Minor. It is a white A-type giant and, with Kochab, forms the pair at the outer end of the Little Dipper's bowl, an easily recognized part of the constellation. Pherkad has an apparent visual magnitude of about 3 and lies roughly 487 light-years from the Sun, so it is visible without optical aid but is not the...
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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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