jedinica površine (m2)

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 ...

luks

Electrical equipment; Electricity

The SI unit of luminance. One lux is one lumen per square meter.

luks

Energy; General

A unit of illumination equal to the direct illumination on a surface that is everywhere one meter from a uniform point source of one candle; a unit of illumination that is equal ...

paskal

Electrical equipment; Fuel cell

The pascal (symbol: Pa) is the SI derived unit of pressure, stress, Young's modulus and tensile strength. It is a measure of perpendicular force per unit area i. E. Equivalent to ...

aktinijum

Astronomy; General astronomy

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

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 ...

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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Ipar/Tárgykör: Aerospace Kategória: Space flight

svemirska letjelica

Svemirska letjelica s krilima, projektirana za djelomično višestruko korištenje, razvijena od strane NASA-e ( Zrakoplovna i svemirska administracija ...