descending node

• Em astronomia e mecânica celeste, ponto da órbita em que um corpo celeste cruza o plano de referência (por exemplo, a eclíptica) de norte para sul, movendo-se para baixo em relação a esse plano.

In astronomy and orbital mechanics, the point in an orbit where a celestial body crosses a reference plane (such as the ecliptic) from north to south, moving downward relative to that plane.

1. Astronomical termC2formal

   The point in an orbit where a celestial body crosses from the northern to the southern side of a reference plane, such as the ecliptic.

   Nó descendente

   • The Moon's descending node occurs when it crosses the ecliptic moving southward.
   • Astronomers calculated the exact time of the descending node for the comet.
   • Eclipses can occur when the Sun is near the ascending or descending node of the Moon's orbit.