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← HistoryWhat limit arose when early Islamic scholars attempted increasingly accurate parallax measurements with astrolabes?
A)Diffraction blurred star positions✓
B)Metal thermal expansion shifted scales
C)Alhazen's lens aberrations appeared
D)Human eye resolution was insufficient
💡 Explanation
Early astrolabes, attempting greater parallax acuity, approached the diffraction limit because the wave nature of light introduced blurring. Therefore, diffraction, rather than lens aberrations which were addressed by improvements or eye resolution, limited measurements.
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