ed near together. When we consider the great number of the stars, and their different distances, we can easily imagine that two stars might only appear double in the direction from which we see them.* Sir William Herschel observed the double stars with great attention for more than twenty- five… … open field might appear close to another, to an observer who stood with the nearer tree almost in a straight line between himself and the distant one. Ey moving * HerscheFs * Treatise/ p. 385.
Astronomy Observers\ manuals
Internet Archive · Scientific and Technical Information Center (STIC), United States Patent and Trademark Office · Public domain (published before 1931). Free to use for anything.
