Which purpose benefitted from Islamic scholars improving Ptolemaic models for planetary motion?

💡 Explanation

Improved models refined epicycle calculations reducing errors; this enhanced calendar accuracy because the refined motion models updated predicted positions more accurately. Therefore calendars improved, rather than eclipse forecasting, parallax measurements or confirmation of existing theories.

• Which risk increases when prolonged undermining erodes a castle's foundation during a siege operations?
• Which communication failure occurred when the Inca used quipu to convey maize harvest totals across changing altitude zones?
• During floods, which outcome resulted in historical braced Inca rope bridges made from plant fibers?
• Which consequence appeared at Alesia when Caesar's circumvallation faced attack?
• Which mechanical effect limited the range of torsion-powered siege engines in Roman warfare despite increasing lever arm length?
• Which consequence occurs when an early medieval lenses are severely misaligned?