zimski solsticij, kratkonevnica

zimski solsticij, kratkonevnica

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

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품사: 명사
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분야/도메인: 천문학
카테고리: 화성
Company: NASA
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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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