Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 299
rtunately, it is notpossible to represent them to scale all on the same diagram.■Figure 96 shows the orbits of the first four planets, togetherwith that of Eros, which occupies a unique position, and whichhas been used in getting the scale of the system. Figure 97shows the orbits of the planets… … Fig. 96. — Orbits of the four inner planets. inner planets and the enormous distances that separate theouter ones. 158. The Dimensions, Masses, and Rotation Periods ofthe Planets. — The planetS Mercury and Venus have noknown satellites and their masses are subject to some un-certainties. The…
Astronomy
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