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 175
ngenough. Ceres had only been watched for a verylittle time before Piazzi fell ill, and those who wereaccustomed to such calculations said it was notnearly long enough to enable the orbit to be cal-culated. You will understand the difficulty perhapsfrom Figure 42: if you have a large portionABC of… … / \ ^ 1 1 \ s 11 1 \ / \ *■—- / K / Fig. 42. though it can still be done. But when there is onlya tiny bit like GH given you, you scarcely knowwhether the circle should come out like GHK or likeGHL : you may be watching for the burglar to comeout at K when he is really at L. That was the…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.