атомдық нөмір (заряд нөмірі)

The number of protons in an atomic nucleus . The atomic number and the element symbol are two alternate ways to label an element. In nuclide symbols , the atomic number is a ...

А тобы

Astronomy; General astronomy

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

Astronomy; General astronomy

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

Astronomy; General astronomy

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

поляр шұғыласы

Astronomy; General astronomy

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

азимут

Astronomy; General astronomy

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)

Astronomy; General astronomy

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

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Ipar/Tárgykör: Festivals Kategória: Halloween

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Also known as All Hallow's Eve, Halloween is an annual holiday celebrated on October 31st in America, Canada, and the UK. It is supposedly the one day ...