aurora australis

Natural light displays in the sky, produced by the collision of solar wind particles and emission of photons from the Earth's upper atmosphere. The photons become ionized and ...

aurora boralis

Astronomie; l'astronomie générale

an aurora ocurring in the northern hemisphere of the Earth

aktinoidi

Astronomie; l'astronomie générale

Elementi sa atomskim brojevima od 89 (Aktinij) i 103

aktinijum

Astronomie; l'astronomie générale

Mekan, srebrno-beli radioaktivni metal koji sija u mraku

akivna optika

Astronomie; l'astronomie générale

Controlling the shape of a telescope mirror at a relatively slow rate.

adaptivna optika

Astronomie; l'astronomie générale

Compensating for atmospheric distortions in a wavefront by high-speed changes in the shape of a small, thin mirror.

americijum

Astronomie; l'astronomie générale

radioactive silvery metal which does not occur naturally

jedinica ubrzanja

Astronomie; l'astronomie générale

A unit for measuring acceleration, which is metre per second squared.

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Secteur d’activité/Domaine : Arts et artisanat Catégorie : Peinture à l'huile

Mona Liza

The Mona Lisa is widely recognized as one of the most famous paintings in the history of art. It is a half-length portrait of a seated woman painted ...