ascending node

When passing to the north of the ecliptic, it is called the ascending node; when to the south of it, the descending node.

The position of the ascending node, or the point where the comet crossed the terrestrial orbit.

The wonderful similarity of these elements, except in the longitude of the ascending node, is at once apparent.

It is merely the ascending node in astronomy wherein alone the eclipses can take place.

On the longitude of the ascending node of the lunar orbit on the ecliptic.