белсенді Күн

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

Astronomie; l'astronomie générale

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

Astronomie; l'astronomie générale

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

атомдық нөмір (заряд нөмірі)

Astronomie; l'astronomie générale

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

поляр шұғыласы

Astronomie; l'astronomie générale

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

азимут

Astronomie; l'astronomie générale

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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Secteur d’activité/Domaine : Festivals Catégorie : Halloween

Хэллоуин

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 ...