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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 ogólna

jednostka astronomiczna (AU)
Astronomia; Astronomia ogólna

Approximately equal to the mean earth-sun distance, which is about 150,000,000 km or 93,000,000 miles. Formally, the AU is actually slightly less than the earth's mean distance ...

wydłużenie
Astronomia; Astronomia ogólna

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 ...

efemeryda
Astronomia; Astronomia ogólna

A table listing specific data of a moving object, as a function of time. Ephemerides usually contain right ascension ("R. A. " in these web pages) and declination ("Decl. " in ...

punkt równonocy
Astronomia; Astronomia ogólna

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 ...

sfera niebieska
Astronomia; Astronomia ogólna

An imaginary sphere of arbitrarily large radius, concentric with the observer, allowing observers to plot positions of objects in the sky when their distances are unknown or ...

kometa
Astronomia; Astronomia ogólna

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 ...

otoczka komety
Astronomia; Astronomia ogólna

Kometa w atmosferze (składa się z kurzu i/lub różnych gazów) wokół jego jądra. Śpiączka jest raczej wątpliwy (poza bardzo blisko jądra), i gwiazd czasami łatwo widać przez nią, ...

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