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← HistoryWhich outcome arises when an astrolabe's alidade is misaligned relative to the horizon ring during solar altitude measurement?
A)Incorrect time calculations on the rete
B)Parallax error in star position readings
C)Systematic error in solar altitude readings✓
D)Discrepancy in latitude estimation using the plates
💡 Explanation
When the alidade is misaligned, a systematic angular offset is introduced into the solar altitude reading because the measured solar angle is relative to the incorrect baseline. Therefore systematic error develops, rather than rete time errors, parallax shifts or latitude calculation issues which result from different factors.
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