aurora boralis

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 australis

Astronomy; General astronomy

an aurora ocurring in the southern hemisphere of the Earth

aktinoidi

Astronomy; General astronomy

Elementi sa atomskim brojevima od 89 (Aktinij) i 103

aktinijum

Astronomy; General astronomy

Mekan, srebrno-beli radioaktivni metal koji sija u mraku

akivna optika

Astronomy; General astronomy

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

adaptivna optika

Astronomy; General astronomy

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

americijum

Astronomy; General astronomy

radioactive silvery metal which does not occur naturally

jedinica ubrzanja

Astronomy; General astronomy

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

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Nozare/domēns: People Category: Pageantry

Tereza Skanlan

The winner of the 2011 Miss America pageant. Scanlan, A 17-year-old and recent high school graduate from the western Nebraska town of Gering captured ...