Archive for the 'measurement' tag

Doppler Effect

The classic example is the change in tone of the...
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Declination

The angle north or south of the celestial equator...
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Culmination

The maximum altitude of a celestial body above...
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Circumpolar Stars

Cirumpolar stars lie within a region of the sky...
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Azimuth

The angle measured from the south point of the...
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