Free Astronomy Magazine July-August 2025 ARABIC VERSION

A A planet in perpendicular orbit around pair of stars byESO BárbaraFerreira stronomers have found a planetthatorbitsatanangle of90degreesaroundarare pairofpeculiarstars.Thisisthefirst time we have strong evidence forone of these ‘polar planets’ orbiting a stellar pair. The surprise discov- ery was made using the European Southern Observatory’s Very Large Telescope (VLT). Several planets orbiting two stars at once,likethefictionalStarWars JULY-AUGUST2025 ﻣﺠﻠﺔ FreeAstronomy ﺎﻟﻌﺮ ﺔ 20 ﺗﻈﻬـﺮ ﻫــﺬﻩ اﻟﺼــﻮرة اﻟﻤﻠﺘﻘﻄـﺔ ﺎﻟﻀـﻮء ﻏــ اﻟﻤﺮــــﻲ اﻟﻨﻈــــﺎم AB 2M1510 وﻫــــﻮ زوج ﻣــــﻦ ـــﺪوران ﺣـــﻮل ﻌﻀـــﻬﻤﺎ اﻟـــ ﻌﺾ ﻨﻴـــ ﻗـــﺰﻣ . ﻈﻬـــــﺮ اﻟﻘﺰﻣـــــﺎن اﻟ ـــــﺎن ﻨ A و B ﻤﺼـــــﺪرواﺣـــــﺪ ﻓـــــﻲﻫـــــﺬﻩ اﻟﺼــــــﻮرة ﻟﻜﻨﻨـــــﺎ ﻧﻌـــــﺮفوﺟﻮدﻫﻤــــــﺎ ﻷﻧﻬﻤــ ﺎ ﻜﺴــﻔﺎن ﻌﻀــﻬﻤﺎ اﻟـ ﻌﺾدور ـﺎ . ﻋﻨــﺪ رﺻــﺪ ﻣــﺪارﻬﻤﺎ وﺟــﺪ ﻋﻠﻤــﺎء اﻟﻔﻠــﻚ اﺿــﻄﺮا ﺎت ﻻ ﻤﻜـــــﻦ ﺗﻔﺴـــــ ﻫﺎ إﻻ ﺎﻟــــــ ـ ﺠﺎذﺑ ﺔ اﻟﻨﺎﺗﺠـــــﺔ ﻋــــــﻦ ﻮﻛﺐ ـﺪورﺣـﻮل ﻠﻴﻬﻤـﺎ ﻓـﻲ ﻣـﺪار ﻋﻤـﻮد . ﻳﺤ ﺛﺎﻟـــــــﺚ ــــــ ﺘــــــﻮيﻫــــــﺬا اﻟﻨﻈــــــﺎم ﻋﻠــــــﻰﻗــــــﺰم M1510C2 ﻘـــــــــﻊ ــــــــــﺪا ﺟـــــــــﺪ ﻌ ــــــــــﻮن ا ﻋــــــــــﻦ أن ﻳ ﻣﺴﺌﻮﻻً ﻋﻦ ﻫﺬﻩ اﻻﺿﻄﺮا ﺎت اﻟﻤﺮﺻﻮدة . [DESI LegacySurvey/D.Lang (Perimeter Institute)] ﻮﻛﺐﻓﻲﻣﺪارﻣﺘﻌﺎﻣﺪ ﺣﻮل ﻧﻈﺎم ﻧ ﻤﻲﺛﻨﺎﺋﻲ : ﻘﻠﻢ ﺎر ﺮا ﻓ ﺮا اﻟﻤﺮﺻ ﺪ اﻷوروﺑﻲ اﻟـﺠﻨﻮﺑﻲ اﻛﺘﺸـﻒ ﻋﻠﻤﺎء اﻟﻔﻠـﻚ ﻛﻮﻛﺒـ ﺎً ﻳـﺪور ﺣـﻮل ﻧﺠﻤ ﻏﺮﻳﺒ ﺑﺰاوﻳﺔ 90 و درﺟﺔ ﻫـﺬه ﻫـﻲ ا ﺮة اﻷ وﱃ اﻟﺘﻲ ﻧﻤﺘﻠﻚ ﻓﻴﻬﺎ دﻟﻴﻼً ﺎً ﻗﻮﻳـ ﻋـﲆ وﺟﻮد أﺣﺪ ﻫﺬه " اﻟﻜﻮاﻛـﺐ اﻟﻘﻄﺒﻴـﺔ " ﻳـﺪور ﺣﻮل زوج ﻧﺠﻤﻲ . ﺗﻢ ﻫﺬا اﻻﻛﺘﺸﺎف ا ﻔﺎ ﺟﺊ ﺑﺎﺳﺘﺨﺪام اﻟﺘﻠﺴﻜﻮب اﻟﻌﻤـﻼق ﺟـﺪ اً اﻟﺘـﺎﺑﻊ ﻟﻠﻤﺮﺻﺪ اﻷوروﺑﻲ اﻟﺠﻨﻮﺑﻲ . ﺗﻢ اﻛﺘﺸﺎف اﻟ ﻋﺪد ﻣﻦ ﻜﻮاﻛـﺐ ﺗـﺪور ﺣـﻮل ﻧﺠﻤ ﻣﺜﻞ ﻛﻮﻛﺐ ﺗﺎﺗﻮﻳﻦ اﻟ ﺨﻴﺎﱄ ﰲ ﺳﻠﺴﻠﺔ أﻓﻼم ﺣﺮب اﻟﻨﺠﻮم ﰲ اﻟﺴﻨﻮات ا ﺎﺿﻴﺔ . ﻳﻮﻟﻴﻮ - ﺃﻏﺴﻄﺲ 2 0 2 5