Astronomia

Astronomia

The scientific study of planets, stars, black holes, comets and other celestial bodies that make up outer space.

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Astronomia > Astronomia (generale)

declinazione

Astronomia; Astronomia (generale)

One element of the astronomical coordinate system on the sky that is used by astronomers. Declination, which can be thought of as latitude on the earth projected onto the sky, is ...

allungamento

Astronomia; Astronomia (generale)

Angular distance of a celestial object from the sun in the sky. In standard ephemerides, this is usually denoted by the Greek letter epsilon (or by the abbreviation "Elong. "). A ...

equinozio

Astronomia; Astronomia (generale)

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 ...

estinzione, atmosferica

Astronomia; Astronomia (generale)

The diminishing of light from astronomical objects due to the earth's atmosphere, in which molecules (air, dust, etc. ) of the atmosphere absorb, reflect, and refract light before ...

eliocentrico

Astronomia; Astronomia (generale)

Riferendosi al sole. Un'orbita eliocentrica è uno basato sul sole, come uno dei due fuochi dell'orbita (ellittica) o come il centro di un'orbita circolare; una grandezza ...

altitudine

Astronomia; Astronomia (generale)

The angular distance from the observer's horizon, usually taken to be that horizon that is unobstructed by natural or artificial features (such as mountains or buildings), ...