түссіз линза

түссіз линза

Lens (or combination of lenses) that brings different wavelenghts within a ray of light to a single focus, thus overcoming chromatic aberration. It was first successfully made by Joseph von Fraunhofer.

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Industri / Domain: Astronomi
Kategori: Astronomi secara umum
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түссіз

Perhiasan; Perhiasan secara umum

Diamonds with little or no color visible to the naked eye. Near-colorless diamonds are classified as G, H, I or J on the color scale.

түссіз

Perhiasan; Perhiasan secara umum

A diamond with no traces of body color. Light travels through a colorless diamond better than a diamond with color, resulting in exceptional brilliance.

линза

Eyewear; Optometri; Lensa kontak; Bedah mata

A transparent double convex (outward curve on both sides) structure between the iris and the vitreous humor. Two structures of the eye focus light onto the retina. The first is ...

линза

Fotografi; Fotografi profesional

optical element made of glass or plastic and capable of bending light. A lens may be constructed of single or multiple elements.

А тобы

Astronomi; Astronomi secara umum

One of about a dozen of the strongest Fraunhofer lines seen in the Solar spectrum, the A band at 7600 angstoms is due to telluric lines of molecular oxygen in the Earth's ...

А жұлдызы

Astronomi; Astronomi secara umum

Star with spectral type A in which the spectrum of the Balmer lines of hydrogen attain their greatest strength. Helium lines can no longer be seen. Some metallic lines are ...

Ахиллес

Astronomi; Astronomi secara umum

Trojan asteroid (60° ahead of Jupiter. It was the first Trojan to be discovered.

атомдық нөмір (заряд нөмірі)

Astronomi; Astronomi secara umum

The number of protons in an atom's nucleus. This determines the type of element.

поляр шұғыласы

Astronomi; Astronomi secara umum

the light produced by excited atoms and ions in the upper atmosphere of a planet

азимут

Astronomi; Astronomi secara umum

1) Angular distance from the north point eastward to the intersection of the celestial horizon with the vertical circle passing through the object and the zenith. 2) Directional ...

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Industri / Domain: Perairan Kategori: Danau

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A body of relatively still fresh or salt water of considerable size, localized in a basin that is surrounded by land. Lakes are inland and not part of ...