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1.3 Constellations and the Celestial Sphere

Pre-Lecture Reading 1.3

Video Lecture

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Constellations and the Celestial Sphere (16:44)

Supplementary Notes

Coordinate Systems

Earth

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See Earth.
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Longitude: 0° to 360°
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Latitude: –90° to +90°
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  –90°: South Pole
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  0°: Equator
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  +90°: North Pole

Celestial Sphere

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See Celestial Sphere.
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Right Ascension: 0° to 360° or 0 hr to 24 hr
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Declination: –90° to +90°
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  –90°: South Celestial Pole
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  0°: Celestial Equator
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  +90°: North Celestial Pole

Exercises

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Experiment with UNL's Longitude/Latitude Demonstrator.
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Experiment with UNL's Celestial-Equatorial (RA/DEC) Demonstrator.
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Experiment with UNL's Big Dipper 3D.