rayos X

rayos X

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.

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품사: 명사
동의어:
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분야/도메인: 천문학
카테고리: 화성
Company: NASA
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rayos x

예술사; 시각 예술

Fotografía que usa rayos x. Las imágenes en rayos x se han utilizado para identificar lo que yace bajo la superficie de una pintura, incluyendo obras o estudios y bosquejos ...

rayos gamma

화학; 일반 화학

A very high energy form of electromagnetic radiation , typically with wavelengths of less than 3 pm. Gamma rays are produced by certain nuclear decay processes, and are used to ...

rayos gamma

천문학; 행성학

Gamma rays are like the light we see with our eyes, the x-rays used to probe our bodies in search of problems, and the radio waves that our television sets translate into inane ...

Marte

천문학; 화성

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

천문학; 화성

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 ...

radiación ultravioleta

천문학; 화성

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

천문학; 화성

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

cenit

천문학; 화성

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

천문학; 화성

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, ...

뉴스 속의 용어

bola de Navidad

La bola intergaláctica gigante de gas que flota en el espacio. Es el remanente de una explosión estelar masiva o supernova en la galaxia Gran Nube de ...