http://wordie.org/words/apsis Comments for the word 'Apsis' http://wordie.org http://wordie.org/words/apsis#comments "... in <a href="/words/astronomy">astronomy</a>, is applied to either of the two points in the orbits of planets, where they are at their greatest and least distance from the sun or earth. The higher apsis is that which is nearest the sun or earth, and is synonimous (sic) with <a href="/words/perihelion">perihelion</a> and <a href="/words/perigee">perigee</a>; the lower apsis is that which is farthest from the sun or earth; and corresponds to <a href="/words/aphelion">aphelion</a>, or <a href="/words/apogee">apogee</a>. The line which joins these two points is called the line of the apses, or apsides."<br />—Falconer's New Universal Dictionary of the Marine (1816), 19–20 Tue, 14 Oct 2008 03:07:47 +0000 http://wordie.org/words/apsis#comments