Note 46 — Chapter XX · PLUTO FOUND[46]
Reading edition
Much of the following account is taken from “Searching Out Pluto” by Roger Lowell Putnam and Dr. V. M. Slipher in the Scientific Monthly for June, 1932, by whose courtesy it is used.
Reading edition
Much of the following account is taken from “Searching Out Pluto” by Roger Lowell Putnam and Dr. V. M. Slipher in the Scientific Monthly for June, 1932, by whose courtesy it is used.