hour angle
معنی فارسی
زاويه ساعتي زاويه ساعتي خورشيد
معنی کامل و مثالها
● (نجوم) زاویهی ساعت نجومی (که برحسب ساعت و دقیقه محاسبه میشود)
ریشه و کاربرد
ریشه
From 'hour' + 'angle'.
مثال
- The hour angle is used in celestial navigation.
- The hour angle is zero when the celestial object is at its highest point.
- The hour angle changes as the Earth rotates.
ترکیبهای رایج
hour angle of hour angle at hour angle for
تعریف انگلیسی
noun
- the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body
- (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day