suggested plan of the galactic system may be concretely formulated through
the following series of propositions.
Taken altogether they attempt
to establish a general idea of the arrangement, extent, and constituency
of the system of stars and nebulae. A. The globular clusters are a part
of the galactic system and knowledge of their distances seems at present
to afford the best way to fathom the system. B. The system of globular
clusters, which is coincident in general, if not in detail, with the sidereal
arrangement as a whole, appears to be somewhat ellipsoidal.
The center of the sidereal system is distant from the earth