A voyage in space; a course of six lectures "adapted to a juvenile auditory" delivered at the Royal Institution at Xmas 1913 (1915)
Turner, Herbert Hall, 1861-1930 · London Society for Promoting Christian Knowledge · leaf 166
many photographs,however, one after another, we can pick out the goodones; this plan has only recently been introduced,but it has given us already some good photographsof Mars. Fig. 38 shows three taken by ProfessorBarnard on which you see the polar caps clearly.But, after all, we shall much better… … Fig. 38.—Mars Photographed with the 40-in. Lens ofthe Yerkes Observatory. the Earth; and let us try what we can see of ourEarth from that distance. I propose to arm youwith the best telescope in our possession, and to ask
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
