(ଜ୍ୟୋତିର୍ବିଜ୍ଞାନ) କୌଣସି ମହାକାଶୀୟ ବିନ୍ଦୁର ଯେଉଁ କୋଣୀୟ ଦୂରତା ଚରମବିନ୍ଦୁ ସ୍ଥାନାନ୍ତରଣଦ୍ୱାରା ମହାକାଶୀୟ ଭୂମଧ୍ୟରେଖା ଦେଇ ମପାଯାଏ

(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.

(জ্যোতির্বিদ্যা)কোনো খগোলীয় বিন্দুর কৌণিক দূরত্ব যা সর্বোচ্চ বিন্দু অতিক্রমের পরে খগোলীয় মধ্যরেখা থেকে মাপা হয়েছে