Actually, the line of nodes is in motion in a retrograde direction, the opposite of that of the arrows, by 19.3° per year, thus making a revolution in 186 years, or 6,793.39 days.
It is obvious that the nodes are alternately in compression and extension, or vice versa, and that for 4X on each side of a node the motion is either to it on both sides or from it on both sides.
nodes与发音含义,同义词,反义词,翻译,刑和更多的