تنزيل الملف ( صورة 114.02 kB)
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شرح الرسم التوضيحي:
The constellation Volans with its bright stars and surrounding constellations. Volans is surrounded by (going clockwise from the top): Carina, Pictor, Dorado, Mensa and Chamaeleon.
Volans is a southern constellation and thus the whole constellation is visible at some point in year throughout the southern hemisphere. The whole constellation is also visible to a strip of the northern hemisphere near the equator. Volans is best viewed in the evening in the late northern hemisphere winter and late southern hemisphere summer.
The y-axis of this diagram is in degrees of declination with north as up and the x-axis is in hours of right ascension with east to the left. The sizes of the stars marked here relate to the star's apparent magnitude, a measure of its apparent brightness. The larger dots represent brighter stars. The Greek letters mark the brightest stars in the constellation. These are ranked by brightness with the brightest star being labeled alpha, the second brightest beta, etc., although this ordering is not always followed exactly. The dotted boundary lines mark the IAU's boundaries of the constellations and the solid green lines mark one of the common forms used to represent the figures of the constellations. Neither the constellation boundaries, nor the lines joining the stars appear on the sky.
مصدر الرسم التوضيحي: Adapted by the IAU Office of Astronomy for Education from the original by the IAU and Sky & Telescope. رابط المصدر
حالة ترجمة الرسم التوضيحي: لم تتم الموافقة من قبل مُراجع بعد
ترخيص الرسم التوضيحي: المشاع الإبداعي نَسب المُصنَّف 4.0 دولي (CC BY 4.0) المشاع الإبداعي نَسب المُصنَّف 4.0 دولي (CC BY 4.0) أيقونات
مصطلحات معجم ذات صلة:
الإحداثيات السماوية
, القدرالظاهري
, المطلع المستقيم
, الميل
, مجموعة نجمية او حشد نجمى
فئات:
علم الفلك بالعين المجردة
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