A New Star Atlas for the Library, the School and the Observatory (1872)
Proctor, Richard A. · Longmans, Green and Co. (London) · leaf 25
l five~ pointed and all alike in shape and size. In the present atlas the star-sphere is supposed to be divided into twelve such por- tions, one of which is represented in each of the twelve maps following the two index-maps. The five angles of these five- cornered spaces are shown by the five… … proper to the map. Thus there results a symmetrical over- lapping of the maps, each map overlapping and being over- lapped by five other maps. But for this many star-groups would be inconveniently broken up (as in other star-atlases) where the map-edges fell; as it is, groups that would be thus…
Book · Astronomy
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