cuadratura

cuadratura

Two bodies are in quadrature when their difference in celestial longitude is 90 degrees. This is the position of a superior planet when its elongation is 90 degrees, east or west, depending on the direction of the planet from the sun.

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Ipar/Tárgykör: Astronomy
Kategória: Mars
Company: NASA
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The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.

solsticio de invierno

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cenit

Astronomy; Mars

The point of the celestial sphere directly overhead, 90 degrees above the horizon, for any point on earth; it is the point where a plumb line extended upward would intersect the ...

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Ipar/Tárgykör: Holiday Kategória: Festivals

Día Mundial de la Juventud

Día Mundial de la Juventud es un evento religioso que se celebra cada tres años. Abierto a jóvenes de todo el mundo, el Día Mundial de la Juventud ...