Question

14 multiple choice 1 point which tool allowed explorers to determine the altitude of the sun while protecting their eyesight? traverse board mariners astrolabe backstaff caravel

Explanation:

• Traverse Board: Tracks ship's direction/speed, not sun altitude.
• Mariner's Astrolabe: Measures celestial altitude but risks eye damage from direct sun.
• Backstaff: Uses shadow to measure sun's altitude, avoiding direct eye exposure to the sun.
• Caravel: A sailing ship, not a navigational tool for altitude.

Answer:

Backstaff