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← HistoryWhich visual consequence occurred when early astrolabes used inaccurate alidade pinhole alignment?
A)Parallax error corrupted angular measurements✓
B)Prismatic effects distorted star positions
C)Chromatic aberration blurred image features
D)Spherical aberration created comet trails
💡 Explanation
Parallax severely degraded accuracy of altitude measurements because viewing celestial objects through misaligned pinholes on the alidade caused angular displacement from the true elevation. Therefore, parallax is the error, rather than chromatic effects that emerge from wavelength properties.
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