astrometría

astrometría

The branch of astronomy that deals with measuring the positions of celestial objects, especially stars. Astrometrists measure parallaxes and proper motions, which allow astronomers to determine the distances and velocities of the stars.

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Besedna vrsta: noun
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Blossary:
Industrija/področje: Astronomy
Category: General astronomy
Company: Caltech
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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 ...