VibraXX
Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter Arena
HomeCategoriesHistoryQuestion
Question
History

Which adjustment compensates for varying observer latitude when using an astrolabe for timekeeping?

A)Adjustment of the alidade's index arm
B)Rotation of the rete to match altitude
C)Selection of appropriate latitude plate
D)Alteration of the hour angle markings

💡 Explanation

When using an astrolabe at different latitudes, different latitude plates must be selected because the stereographic projection changes based on latitude, affecting the accuracy of altitude and azimuth readings, and thus time calculations. Therefore, appropriate plate selection results, rather than adjustment of components, which don't account for changes in projection.

🏆 Up to £1,000 monthly prize pool

Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.

⚡ Enter Arena

Related Questions

Browse History