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Phsc112_Ast - Apparent Motion of The Celestial Sphere 0 The...

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Apparent Motion of The Celestial Sphere 0 The latitude of Polaris = Your latitude
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Apparent Motion of The Celestial Sphere (2) 0 The angle that star trails make relative to vertical Is your latitude.
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The Celestial Sphere (Example) The Celestial South Pole is not visible from the northern hemisphere. Horizon North Celestial North Pole 33.8 0 South 56.2 0 Celestial Equator Horizon Long Beach: l ≈ 33.8º 0
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Constellations The stars of a constellation only appear to be close to one another Usually, this is only a projection effect . The stars of a constellation may be located at very different distances from us. 0
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Summer and Winter Constellations The Sun’s apparent path on the sky is called the Ecliptic . Equivalent: The Ecliptic is the projection of Earth’s orbit onto the celestial sphere. Due to Earth’s revolution around the sun, the sun appears to move through the zodiacal constellations.
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The Motion of the Planets The planets are orbiting the sun almost exactly in the plane of the Ecliptic.
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