А тобы

А тобы

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 atmosphere. (originally thought to originate in the Sun by Fraunhofer.)

0 0

完善词条

添加图像

词性：名词
同义词：
词汇：
行业/领域：天文学
类别普通天文学
Company: Caltech
产品：
取首字母的缩写词：

添加至 My Glossary

其他语言：

类似词条

А жұлдызы

天文学; 普通天文学

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

天文学; 普通天文学

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

атомдық нөмір (заряд нөмірі)

天文学; 普通天文学

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

поляр шұғыласы

天文学; 普通天文学

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

азимут

天文学; 普通天文学

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 ...