| 41. | The circumpolar stars appear to lie within a circle that is centered at the celestial pole and tangential to the horizon.
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| 42. | But because of its location, close to the north celestial pole, it's one of the most important stars in the sky.
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| 43. | Despite their faintness, Benjamin Gould upheld their Bayer designation as they were closer than 25 degrees to the south celestial pole.
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| 44. | Polaris is approximately three quarters of a degree from the North Celestial Pole and is easily seen by the naked eye.
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| 45. | In the next 7500 years, the south Celestial pole will pass close to this stars and Omega Carinae ( 5800 CE ).
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| 46. | Some types of sundials are designed with a fixed gnomon that is not aligned with the celestial poles like a vertical obelisk.
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| 47. | Similarly, a line from the center to the South celestial pole will define the South point by its intersection with the limb.
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| 48. | In the next 7500 years, the south Celestial pole will pass close to this stars and Iota Carinae ( 8100 CE ).
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| 49. | In the next 7500 years, the south Celestial pole will pass close to this stars and I Carinae ( 5800 CE ).
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| 50. | The identity of the pole stars gradually changes over time because the celestial poles exhibit a slow continuous drift through the star field.
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