[Article] Different Explanations of the Canals of Mars Adjust Share By William H. (William Henry) Pickering, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Canals Life on other planets Mars (Planet) Observations Surface More from William H. (William Henry) Pickering Scientist predicts future The planet Venus and its problems Adjust Share Close < Previous Issue | View All Issues | Next Issue > January 1908 < Previous Issue | View All Issues | Next Issue > Table of Contents Close