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 218
showing the position of thebig spot only and leaving out the others. Thepositions for the different days are numberedaccordingly. On February 23, and again on Febru-ary 25 and 26, the weather at Greenwich did notallow a photograph to be taken. Before we go on to consider how the Suns rota- THE SUN…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
