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 220
hey will increase innumber till they reach a maximum, and thenthey will die away again to a minimum abouteleven years from now : say about 1924, since weare already probably past the minimum. We haverecords which show us that this waxing and waning THE SUN 199 has gone on at least during the last… … Fig. 58—A violent disturbance on the Sun. selves do not pay nearly enough attention to himeven now, considering his immense importance tous. Up till a year or two ago, no one had evertaken the trouble to make sure whether light andheat came to us from the Sun with strict regularity,or whether they…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
