Free Astronomy Magazine November-December 2025 ARABIC VERSION

U A warped ring shaped by evolving planets byALMAObservatory Nicolás Lira Jill Malusky BárbaraFerreira nusual shape of Fomalhaut’s debris ring shows evidence of sculpting by ancient planets, rewriting story of planetary system evolution.Thebrightstarinthecen- ter,Fomalhaut,issurroundedbyan NOVEMBER-DECEMBER2025 ﻣﺠﻠﺔ FreeAstronomy ﺎﻟﻌﺮ ﺔ 44 ﺣﻠﻘﺔ ﻣﺸﻮﻫﺔ ﺗﺸ إﻟﻰ ﻮاﻛﺐ ﻧﺎﺷﺌﺔ : ﻘﻠﻢ ﻧﻴ ﻮﻻس ﻟ ا ﺟﻴ ﻞ ﻣﺎﻟﻮﺳﻜﻲ ﺎر ﺮا ﻓ ﺮا ﻣﺼﻔﻮﻓﺔ ﻣﺮﺻﺪ أﻟﻤﺎ اﻟﺮادﻳﻮي اﻟـﻨ ﻢ اﻟﺴـﺎﻃﻊ ﻓـﻲ اﻟ ﻤﺮﻛـﺰﻓـﻢ اﻟـ ـ ﺳـﻄﻮع ﻣﺘﻔـﺎوت ﺤﻮت ﻣﺤـﺎط ﻘـﺮصﺣﻄـﺎم ﻗـﺪ ﻢ ذ . اﻟﻘـﺮص أﻗـﺮ إﻟﻰ اﻟﻨ ﻢ ﻓﻲ اﻟ ـ ـﻮن اﻟﻘـﺮص أﺿـﻴﻖ ـﺚ ﻳ ﺠﻨﻮبﺣ ﺚ ﻳ ﻮن أوﺳﻊ وأﺧﻔﺖ وأ ﻌﺪ ﻋﻦ اﻟﻨ ﻢ ﻓـﻲ اﻟﺸـﻤﺎل ﺣ وأﻛــ ﺳـــﻄﻮﻋﺎً . ﺗﻈﻬــﺮ اﻟـــ ـ ﺤﻠﻘﺔ اﻟﻤﻨﻘﻄـــﺔ اﻟﻤــﺪاراﻟﻤﺤﺘﻤـــﻞ ﻟ اﻓ ﺿـــﮫ ﻟﻮﻓﻴــﻞ وآﺧـــﺮون ﻠ ﻮﻛــﺐ اﻟـــﺬ وﺗـــﻮﻓﺮ دﻻﺋﻞ ﻋﻠﻰوﺟﻮد ﻮاﻛﺐ ﺧﻔ ﺔ وﺗﺄﺛ ﻫﺎ ﻋﻠﻰ ﺗﻮز ﻊ اﻟ ـ .. ﺤﻄﺎم [NSF/AUI/NSF NRAO/B. Saxton] ﻈﻬـﺮ ﺷﻜﻞ ﺣﻠﻘﺔ ﺣﻄﺎم ﺤـ اﻟ ﻢﻓ ﻮت دﻟـﻴﻼً ﲆﻋ ﻋﻤﻠﻴﺎت اﻟﻨﺤﺖ ﺑﻮاﺳﻄﺔ ﻛﻮاﻛﺐ ﻗﺪﻳﻤـﺔ وﻳﻌﻴﺪ ﻛﺘﺎﺑﺔ ﻗﺼﺔ ﺗﻄﻮر اﻟﻨﻈـﺎم اﻟﻜـﻮﻛﺒﻲ . اﻟﻨﺠﻢ اﻟﺴﺎﻃﻊ ﰲ ا ﺮﻛﺰ ﻓﻢ اﻟﺤـﻮت ﻣﺤـﺎط ﺑﻘﺮص ﺣﻄﺎم ﻗﺪﻳﻢ ﻳﺘﻤﻴﺰ ﺑﺘﺒﺎﻳﻦ ﰲ اﻟﺴﻄﻮع . ﻧﻮﻓﻤﺒﺮ - ﺩﻳﺴﻤﺒﺮ 2 0 2 5