aktinijum

aktinijum

soft, silvery-white, radioactive metal which glows in the dark

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Kalbos dalis: noun
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Pramonės šaka / sritis: Astronomy
Category: General astronomy
Company: Caltech
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nuklearna veličina

Astronomy; General astronomy

See definition for m 2 , above.

orbitalni elementi

Astronomy; General astronomy

Parameters (numbers) that determine an object's location and motion in its orbit about another object. In the case of solar-system objects such as comets and planets, one must ...

orbita

Astronomy; General astronomy

The path of one object about another (used here for an object orbiting the sun).

meteori

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 ...

m2

Astronomy; General astronomy

The magnitude value measured (or predicted) for a comet's nuclear condensation. Note that the true comet nucleus is rarely, if ever, directly observed from the earth because of ...

Svjetlosno zagađenje

Astronomy; General astronomy

The emission of stray light or glare from lighting fixtures in manners that counter the purpose of the light (which is to light what is below); also known as the waste of money ...

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Pramonės šaka / sritis: Anatomy Category: Cytology

stanice

Stanice su temeljne funkcionalne jedinice života (od njih su sastavljeni svi organizmi). Otkrio ih je Robert Hooke 1665. godine. Riječ stanica dolazi ...