Note 28 — CHAP. V. The Phenomena of the Heavens as seen from different Parts of the Solar System.
Reading edition
Here we do not mean such a conjunction, as that the nearer Planet should hide all the rest from the observer’s sight; (for that would be impossible unless the intersections of all their Orbits were coincident, which they are not, See § 21.) but when they were all in a line crossing the standard Orbit at right Angles.