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node

node

1 8.8
A point where an orbit crosses an imaginary flat plane like the ecliptic
  • noun
  • /noʊd/
  • Specialized
translation icon : nodo
  • The comet at the time in question (March 10, 1986) was moving from above the plane of the Earth's orbit (north) to below the Earth's orbital plane (south), at what is called the descending node.
  • ascending node
  • descending node
  • two nodes

Examples

  • Researchers recognized that a spacecraft could deliver a maximum payload at the comet by intercepting it as it crossed the Earth's orbital plane at a location called the node of the orbit.

    Academic text (1992)
  • This happened as the Sun, Mercury, and the North Node made an almost-to-the-minute conjunction.

    Blog text (3)
  • My question is, what does it mean when your north and south nodes are in retrograde?

    Blog text (26)
  • I believe that you could start an entire astrology system just off the nodes alone.

    Blog text (26)
  • The Sun will be in the direction of this node, and so an eclipse will occur and six months later it will be over on the other node.

  • South node is in Libra, also retrograde and in the 2nd house.

    Blog text (26)
  • When the nodes are retrograde, the awareness of lessons to be learned from past lives is still close to the consciousness.

    Blog text (26)
  • We live in an electromagnetic universe, and when our Sun sends out a wave like this (precisely timed with Mercury and the North Node), the electromagnetic fields of all living beings are affected.

    Blog text (3)
  • The ecliptic and Venus's orbital plane intersect along a line, and the two points at the end of this line are called the ascending and descending nodes.

    Academic text (2004)
  • A solar or lunar eclipse can occur only when the Moon is at a node in its orbit.

Compounds

lymph node
  • Specialized
22 3.9

A small bean-shaped part of the body that filters clear fluid and fights infection

sinoatrial node
  • Specialized
1 5.8

A small group of cells in the heart's right upper chamber that makes the heartbeat regular

atrioventricular node
  • Specialized
1 7.2

A small group of heart cells in the right upper chamber that sends signals to lower chambers to time heartbeats

descending node
  • Specialized
9.2

The point where an orbiting object crosses the Sun's path from north to south

ascending node
  • Specialized
9.9

The point where a moon or satellite crosses from south to north across Earth's orbital plane

axillary node
  • Specialized
6.7

A small body part in the armpit that helps fight infections in the arm, chest, and neck

leaf node
  • Specialized
7.0

A small bump on a stem where leaves grow

An illness in young children that causes fever, skin rash, and swollen glands

node of Ranvier
  • Specialized
7.7

A gap in the covering of a nerve that helps nerve signals jump along it

SA node
  • Specialized
5.5

A small group of cells in the upper right part of the heart that starts and controls the heartbeat

Surface Forms

node singular
nodes plural

Etymology

The word node comes from the Latin nodus, which means 'knot', so in astronomy a node is the 'knot' point where an orbit crosses the reference plane.