Which outcome results when attempting to use a corroded brass astrolabe?

💡 Explanation

Corrosion roughens the alidade's sighting edges, preventing precise alignment. This causes inaccurate celestial altitude measurement because parallax errors increase with imperfect alignment. Therefore, altitude readings will be wrong, rather than problems with prayer times, gear arrest, or planetary models.

• Which risk significantly increased if Mesopotamian terraces, part of an early irrigation system, exceeded carefully stepped construction limits during use?
• Which risk increases concerning dry stone wall construction, when differential foundation settling occurs?
• Which outcome occurs given cyclical submersion of Viking longship mooring posts due to tides?
• Which data interpretation inaccuracy risks arising when medieval astrolabes experience plate misalignment?
• Which consequence results when minarets settle unevenly in complex Mughal garden water systems?
• Which consequence emerged following the 7th-century use of Greek Fire by Byzantine warships on the Bosphorus?