Terrestrial Distance Measurement—Parallax Trigonometry is used to determine distances by measuring angles. In some cases, the angles are exceedingly small, requiring observational apparatus of high precision. In other cases, angle ...
Interstellar Distance Measurement—The Astronomical Unit The distances to stars in our part of the Milky Way galaxy can be measured in a manner similar to the way surveyors measure terrestrial distances. The radius of the earth’s ...
Direction Finding and Radiolocation Trigonometry can be used to locate an object equipped with a wireless transmitter, based on the azimuth (compass bearing) of that object as observed from two or more widely separated points. Trigonometry can ...
Review the following concepts if needed: Terrestrial Distance Measurement Help