مصطلحات bredwood

monochromatic magnitude

علم الفلك; فلك عام

The measurement of a star's brightness at a single wavelength. Such magnitudes are important in assessing the variations in magnitude to be expected when a given star is observed ...

position circle

علم الفلك; فلك عام

A circle on the Earth's surface on which the observer is situated at some point. The center of the circle is directly under a celestial body, and its radius is equal to the zenith ...

nebular variable

علم الفلك; فلك عام

Any of the various types of eruptive variable closely associated with nebulosity. Most are young stars of the FU Orionis or T Tauri types that undergo irregular outbursts of up to ...

الجمهور(12259) عرض كل

متابعين(0) عرض كل

ليس لدي متابعين حتى الان

التالي(0) عرض كل

لا اتابع أي مستخدم