See also:

• NODE (Lat. nodus, a loop)

NODE (See also:

• LAT

Lat. nodus, a See also:

• LOOP

loop)  , i21 See also:

• ASTRONOMY (from Gr. &arpov, a star, and v ,usiv, to classify or arrange)

astronomy, one of two opposite points at which a heavenly See also:

• BODY

body passes through the See also:

• PRINCIPAL

principal co-See also:

• ORDINATE

ordinate See also:

• PLANE

plane to which its See also:

• MOTION (Lat. motio, from movere, to move)
• MOTION, LAWS OF

motion is referred . In the See also:

• CASE
• CASE, JOHN (d. 1600)

case of the heavenly bodies this plane is commonly that of the See also:

• ECLIPTIC

ecliptic, but, in See also:

• SPECIAL

special cases, the plane through the origin parallel to the See also:

• EARTH
• EARTH (a word common to Teutonic languages, cf. Ger. Erde, Dutch aarde, Swed. and Dan. jord; outside Teutonic it appears only in the Gr. 'pq'e, on the ground; it has been connected by some etymologists with the Aryan root ar-, to plough, which is seen in
• EARTH, FIGURE OF
• EARTH, FIGURE OF THE

earth's See also:

• EQUATOR (Late Lat. aequator, from aequare, to make equal)

equator or the plane of a See also:

• PLANET (Gr. ssXavirrns, a wanderer)

planet's See also:

• ORBIT (from Lat. orbita, a track, orbis, a wheel)

orbit is used . The ascending See also:

• NODE (Lat. nodus, a loop)

node is that at which the body moves from the See also:

• SOUTH
• SOUTH, ROBERT (1634–1716)

south or negative towards the See also:

• NORTH
• NORTH, BARONS
• NORTH, MARIANNE (1830—1890)
• NORTH, ROGER (1653-1734)
• NORTH, SIR THOMAS (1535?-16o1?)

north or See also:

• POSITIVE (or PORTABLE) ORGAN

positive See also:

• SIDE
• SIDE (mod. Eski Adalia)

side of the plane . The See also:

• MOON (a common Teutonic word, cf. Ger. Mond, Du. maan, Dan. maane, &c., and cognate with such Indo-Germanic forms as Gr. µlip, Sans. ma's, Irish mi, &c.; Lat. uses luna, i.e. lucna, the shining one, lucere, to shine, for the moon, but preserves the word i
• MOON, SIR RICHARD, 1ST BARONET (1814-1899)

moon's nodes are the points in which its path intercepts the plane of the ecliptic . In the See also:

• GEOMETRY

geometry of curves, a node is the name given to the See also:

• LOOP

loop formed by a continuous See also:

• CURVE (Lat. curvus, bent)

curve See also:

• CROSSING

crossing itself, the point of crossing is termed a " See also:

• DOUBLE
• DOUBLE (from the Mid. Eng. duble, the form which gives the present pronunciation, through the Old Er. duble, from Lat. duplus, twice as much)

double point," and at it there are two non-coincident tangents to the curve; the remaining See also:

• SPECIES

species of double points, termed " acnode," " spinode " or " See also:

• CUSP (Lat. cuspis, a spear, point)

cusp," admits of two coincident tangents (see CURVE) .