Question

How are longitudes measured​

Answer 1

Answer:

Longitude is the measurement east or west of the prime meridian. Longitude is measured by imaginary lines that run around the Earth vertically (up and down) and meet at the North and South Poles. ... Each meridian measures one arcdegree of longitude. The distance around the Earth measures 360 degrees.0

Answer 2

Answer:

Here's Your Answer

Explanation:

Longitude by chronometer is a method, in navigation, of determining longitude using a marine chronometer, which was developed by John Harrison during the first half of the eighteenth century.