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 57
avity we mightget into one of these curves that goes on without end,and that would be inconvenient, for we should neverget back again to Earth. At one time it was thought that comets moved inparabolas and never came back; that they came to 36 A VOYAGE IN SPACE us once, went away and never came back… … The Great Comet of 1858. A comet means a hairy star, and in old dayscomets were represented as stars with hair. Now-adays we get photographs of them. Anybody whohas got a Kodak and can strap it to a telescope withclockwork can take a photograph of a comet. Well, it was supposed that comets moved in…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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