Pleasures Of The Telescope An Illustrated Guide For Amateur Ast

Chapter 9

Chapter 947 wordsPublic domain

THE MOUNTAINS AND PLAINS OF THE MOON AND THE SPECTACLES OF THE SUN 156

Peculiarities of the lunar landscapes--The so-called seas, the craters, the ring mountains, the inclosed plains, the mountain ranges, Tycho's mysterious streaks, and other lunar features described--How to view the sun and its spots.