Question 811Navigation General70% to pass
The horizon glass of a sextant is _______________.
AI Explanation
The correct answer is C) silvered on its half nearer the frame.
The horizon glass of a sextant is silvered on its half nearer the frame to create a clear reflection of the horizon. This allows the user to align the reflected image of a celestial body with the actual horizon, enabling the measurement of the altitude of the body above the horizon. The other answer choices do not accurately describe the function and construction of the horizon glass.
Related Questions
#809 Which of these sextant errors is nonadjustable? #810 What causes the error of collimation with regards to the four adjustments to a sextant? #812 There are seven sources of error in the marine sextant. Of the four errors listed, which one is adjustable? #813 For a well made and well maintained sextant, the maximum value of which correction is usually so small that it can be ignored? #814 Most GPS receivers use the Doppler shift of the carrier phase to compute _______________.