А жұлдызы

А жұлдызы

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 present; in late A stars the H and K lines of ionized calcium appear. A0 stars have a color index of zero.

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Industri / Domain: Astronomi
Kategori: Astronomi secara umum
Company: Caltech
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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 ...

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 ...

азимуттың кванттық нөмірі (к)

Astronomi; Astronomi secara umum

A measure of the minor axis of an elliptic orbital of an electron according to the Bohr-Sommerfeld theory.

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Industri / Domain: Geografi Kategori: Negara & Teritori

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Greek mountain and pilgrimage site, known as the birthplace of early Christian Orthodox monasticism, housing around 20 Eastern Orthodox monasteries. ...