Concepts
Julian day
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Concepts
Julian day
Days since the beginning of the Julian Period
legendary · Q14267
Related cards · measurement scale
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Unclassified
Beaufort scale
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Works
American wire gauge
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_(flipped_left-right).jpg/330px-How_light_pollution_affects_the_dark_night_skies_(dark-skies)_(flipped_left-right).jpg)
Unclassified
Bortle scale
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Concepts
Bengali calendar
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Concepts
Apgar score
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Concepts
Babylonian calendar
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