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← HistoryWhen crafting early astrolabes, which outcome occurred due to thermal instability?
A)Inaccurate angular measurements occurred✓
B)Structural cracking made them unusable
C)Corrosion weakened its metal joints
D)Lens refraction produced skewed images
💡 Explanation
Thermal expansion created distortions because the instrument's METALLIC COMPONENTS changed dimensions with daily temperature swings, shifting the relative position of plates. Therefore, angular readings became inaccurate, rather than structural failures, which typically require larger changes.
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