radiación ultravioleta

radiación ultravioleta

The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.

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Valdkond/domeen: Astronomy
Category: Mars
Company: NASA
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radiación ultravioleta (UV)

Lights & lighting; Lighting products

Radiant energy in the range of about 100-380 nanometers (nm). For practical applications, the UV band is broken down further as follows: Ozone-producing - 180-220 nm; Bactericidal ...

ultravioleta

Astronomy; Planetary science

Invisible part of the light spectrum where wavelengths are shorter than the visible spectrum and longer than X rays.

ultravioleta

Weather; General weather

La radiación electromagnética que tiene una longitud de onda más corta que la luz visible y más largas que los rayos X. A pesar de que sólo representa el 4 al 5 por ciento de la ...

radiación

Energy; Nuclear energy

Partículas (alfa, beta, neutrones) o rayos (gama) emitidos del núcleo de un átomo radioactivo inestable como resultado de la descomposición radioactiva.

radiación

Lights & lighting; Lighting products

A general term for the release of energy in a "wave" or "ray" form. All light is radiant energy or radiation, as is heat, UV, microwaves, radio waves, etc.

Marte

Astronomy; Mars

Mars is the fourth planet from the Sun. Mars' diameter is 6,790 km and takes 687 days to orbit the Sun. Mars is named after the Roman god of war. In Eastern Asian cultures Mars is ...

Fobos

Astronomy; Mars

The larger and innermost of the planet Mars' two moons. Phobos was discovered by Asaph Hall on August 17, 1877. In Greek mythology, Phobos was the son of Ares (Mars) and Aphrodite ...

solsticio de invierno

Astronomy; Mars

The position on the ecliptic occupied by the sun about december 22 when it reaches its greatest southerly declination.

rayos X

Astronomy; Mars

Very short wavelength radiations beyond the ultraviolet in the spectrum, which are about one ten-thousandth as long as the visible violet and are extremely penetrating.

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 ...

cuadratura

Astronomy; Mars

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, ...

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Valdkond/domeen: Holiday Category: Festivals

Año Nuevo Chino

El feriado chino tradicional más importante, el Año nuevo chino representa el inicio oficial de la primavera, empezando en el primer día del primer ...