fixed star

• نجم يبدو ثابت الموضع بالنسبة إلى النجوم الأخرى في السماء ليلاً، على عكس الكواكب التي تتحرك. وفي علم الفلك يشير المصطلح إلى النجوم البعيدة التي لا يُلاحظ لها حركة ظاهرية تُذكر خلال فترات زمنية قصيرة.

A star that appears to maintain a fixed position relative to other stars in the night sky, as opposed to planets which move. In astronomy, it refers to distant stars that do not exhibit noticeable motion over short periods.

1. Astronomical termC1formal

   A historical term for stars that appear to maintain a fixed position relative to each other in the night sky, as opposed to planets which move.

   نجم ثابت

   • Ancient astronomers believed the fixed stars were attached to a celestial sphere.
   • The constellations are made up of fixed stars.
   • Navigators used the fixed stars to determine their position at sea.