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asociación

A sparsely populated grouping (mass range 102-103 Msun) of very young, massive stars lying along a spiral arm of the Milky Way, whose spectral types or motions in the sky indicate a common origin. The star density is insufficient for gravitation to hold the group together against shear by differential galactic rotation, but the stars have not yet had time to disperse completely. OB associations are composed of stars of spectral types O-B2; T associations have many young T Tauri stars. The internationally approved designation for associations is the name of the constellation followed by an arabic numeral - e.g., Perseus OB2.

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asociación binaria
Software; Operating systems

In a static structure diagram, a relationship between exactly two classes. You can add name and stereotype properties to a binary association. The point where a binary association ...

asociación diferencial
Sociology; Criminology

La tesis sicológica de que la criminalidad. como cualquier otra forma de comportamiento, se aprende a través de un proceso de asociación con otros que comunican valores ...

asociación diferencial
Sociology; General sociology

Teoría del crimen y la delincuencia que sostiene que la desviación se aprende como resultado de una prolongada interacción con los otros.

Sistema de Procesado de imágenes astronómicas
Astronomy; General astronomy

Developed by the National Radio Astronomy Observatory.

órbita
Astronomy; General astronomy

The path of one object about another (used here for an object orbiting the sun).

meteoros
Astronomy; General astronomy

Small rocky and/or icy particles that are swept up by the earth in its orbit about the sun. Also called "shooting stars", they travel across the sky in a very short time, from ...

equinoccio
Astronomy; General astronomy

Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. Due to ...

cometa
Astronomy; General astronomy

A celestial body orbiting the sun (though some may be ejected from the solar system by planetary perturbations) that displays (at least during a portion of its orbit) some ...

cenit
Astronomy; General astronomy

The point directly overhead in the sky.

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