zhdukje e atmosferës

zhdukje e atmosferës

Decrease in the intensity of light from a celestial body due to absorption and scattering by the Earth's atmosphere. The extinction increases from the zenith to the horizon and affects short wavelengths more than long wavelengths, so that objects near the horizon appear redder than they are at the zenith.

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분야/도메인: 천문학
카테고리: 일반 천문학
Company: Caltech
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zhdukje

지리; 자연지리학

Disappearance of a species from all or part of their geographic range. Also see background extinction and mass extinction.

atmosferë

지리; 자연지리학

Layer of gases surrounding earth and held there by gravity. Nitrogen forms 78.09% by volume and oxygen 20.95%. The remaining 0.96% is made up of a further 19 gases. The boundary ...

atmosferë

자연 환경; 기후 변화

The atmosphere is the name for the mixture of gases surrounding the earth and retained there by the planet's gravitational pull - our air, in other words. The atmosphere comprises ...

atmosferë

자연 환경; 물

The layer of gases surrounding the earth and composed of considerable amounts of nitrogen, hydrogen, and oxygen.

atmosferë

천문학; 일반 천문학

Mantle of gases round a star planet or moon, sometimes even forming the apparent surface of the body. For a body to retain an atmosphere depends on the body's gravity, and the ...

vit julian

천문학; 일반 천문학

Exactly 365. 25 days, in which a century (100 years) is exactly 36525 days and in which 1900. 0 corresponds exactly to 1900 January 0. 5 (from the Julian-date system, which is ...

heliocentrik

천문학; 일반 천문학

Referring to the sun. A heliocentric orbit is one based on the sun as one of the two foci of the (elliptical) orbit (or as the center of a circular orbit); a heliocentric ...

datë juliane

천문학; 일반 천문학

The interval of time in days (and fraction of a day) since Greenwich noon on Jan. 1, 4713 BC. The JD is always half a day off from Universal Time, because the current definition ...

ekuinoks

천문학; 일반 천문학

Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. Due to ...

shtrirje

천문학; 일반 천문학

Angular distance of a celestial object from the sun in the sky. In standard ephemerides, this is usually denoted by the Greek letter epsilon (or by the abbreviation "Elong. "). A ...

pjerrësi

천문학; 일반 천문학

One element of the astronomical coordinate system on the sky that is used by astronomers. Declination, which can be thought of as latitude on the earth projected onto the sky, is ...