Multiple choice

The instrument for measuring the altitude of celestial bodies is called

  1. spherometer

  2. altimeter

  3. sextant

  4. spectrometer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A sextant is a navigational instrument used to measure the angle between two visible objects, primarily for determining latitude by measuring the altitude of celestial bodies above the horizon. It was crucial for maritime navigation before GPS. An altimeter measures altitude above sea level, a spherometer measures curvature, and a spectrometer analyzes light spectra.

Keep practicing — related questions