triangulates

Updated: January 29, 2026

Lowell very justly compares them to "a network which triangulates the surface of the planet like a geodetic survey, into polygons of all shapes and sizes." At the very lowest estimate the total length of the canals observed and mapped by Mr.

Alfred Russel Wallace - Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation