General astronomy

General astronomy

Especialidad: Astronomía

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General astronomy

perturbaciones

Astronomía; Astronomía general

Gravitational influences ("tugging" and "pulling") of one astronomical body on another. Comets are strongly perturbed by the gravitational forces of the major planets, particularly by the largest ...

perihelio

Astronomía; Astronomía general

El punto donde (y cuando) un objeto en órbita alrededor del sol es más cercano al sol.

perigeo

Astronomía; Astronomía general

The point where (and when) an object's orbit ''about the earth'' in which it is closest to the earth; only applicable to objects orbiting the earth (not to objects orbiting the sun --- a common ...

ascensión recta

Astronomía; Astronomía general

One element of the astronomical coordinate system on the sky, which can be though of as longitude on the earth projected onto the sky. Right ascension is usually denoted by the lower-case Greek ...

estrella Ap

Astronomía; Astronomía general

1) Peculiar A-type stars ("magnetic" A stars) that show abnormally strong lines, sometimes of varying intensity, of certain ionized metals. Recent evidence indicates that all Ap stars are slow ...