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Celestial Sphere: an imaginary sphere on which all the celestial objects would appear Celestial...

Date post: 17-Jan-2016
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Page 1: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 2: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.

Celestial Sphere: an imaginary sphere on which all the celestial objects would appear

Celestial object: any object in the sky that genuinely appears to rise in the east and set in the west

Includes the moon, sun, stars, planets, and anything else in the

nighttime or daytime sky

Page 3: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 4: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 5: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 6: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.

Stars that are overhead follow same path as the sun (rise in the east and set in the west)

Stars that are close to Polaris (the Celestial North Pole) appear to move in circles around Polaris (circumpolar stars). These stars are in the Northern Sky

Stars in the Southern Sky rise and set near the horizon because they are mainly visible in the southern hemisphere

Page 7: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 8: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 9: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 10: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.
Page 11: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.

Apparent pattern that people use to mark the position of the stars

88 constellations The sky is divided into these 88 regions

each associated with a constellation Constellations change with the season

Page 12: Celestial Sphere: an imaginary sphere on which all the celestial objects would appear  Celestial object: any object in the sky that genuinely appears.

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