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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 141

An illustration from A voyage in space; a course of six lectures "adapted to a juvenile auditory" delivered at the Royal Institution at Xmas 1913, 1915, leaf 141
means sky standing still :and it is an actual fact that if you look into such amirror at any part of the sky, it will no longer appearto move as the real sky does, but remain steady 120 A VOYAGE IN SPACE and constant. You may ask whether we can pre-vent a constellation setting in this way : of… … The long shed for the Snow Horizontal Telescopeon Mount Wilson, California. its edge to you, and then its back! so that you canno longer see the constellation, which takes theopportunity to set below the horizon. When a coelostat mirror is used in this way wecan fix the telescope in any position we…

Astronomy -- Juvenile literature

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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