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x-zraci

Very short wavelength radiations beyond the ultraviolet in the spectrum, which are about one ten-thousandth as long as the visible violet and are extremely penetrating.

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التحسين
  • نوع المصطلح: اسم
  • المرادف (المرادفات)
  • مسرد المصطلحات
  • المجال / النطاق: علم الفلك
  • الفئة: المريخ
  • Company: NASA
  • المنتج:
  • الاختصار-المختصر:
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X-zraci, rendgenski zraci
كيمياء; كيمياء عامة

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كيمياء; كيمياء عامة

A very high energy form of electromagnetic radiation , typically with wavelengths of less than 3 pm. Gamma rays are produced by certain nuclear decay processes, and are used to ...

kosmički zraci
علم الفلك; علوم الكواكب

Extremely high-energy subatomic particles that continuously bombard Earth from all directions. Most cosmic rays hit and break up atomic nuclei in Earth's upper atmosphere. Airless ...

katodni zraci
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Negatively charged particles (electrons) that are emitted from a negative terminal in an evacuated glass tube.

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Mars is the fourth planet from the Sun. Mars' diameter is 6,790 km and takes 687 days to orbit the Sun. Mars is named after the Roman god of war. In Eastern Asian cultures Mars is ...

Phobos
علم الفلك; المريخ

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Deimos
علم الفلك; المريخ

The smaller and outermost of the planet Mars' two moons. Deimos was discovered by Asaph Hall on August 11, 1877. In Greek mythology, Deimos was the son of Ares (Mars) and ...

ultrajubicasto zracenje
علم الفلك; المريخ

The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.

prolecna ravnodnvevnica
علم الفلك; المريخ

The position on the celestial sphere occupied by the sun on or about march 21 when its path on the ecliptic crosses the celestial equator going from south to north. This point is ...

zimski solsticij, kratkonevnica
علم الفلك; المريخ

The position on the ecliptic occupied by the sun about december 22 when it reaches its greatest southerly declination.

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