Free Astronomy Magazine July-August 2026 ARABIC VERSION

BI-MONTHLYMAGAZINEOFSCIENTIFIC AND TECHNICAL INFORMATION FREELYAVAILABLETHROUGH THEINTERNET July-August2026 Englisheditionofthemagazine 3I/ATLASformedinafarcolderworldthan our own WhydoesJupiterhavemorelargemoons than Saturn? Webb redefines the boundary between planets and stars TNO2002XV 93 hasanatmospherebut shouldn’t WASP-189bechoesthecompositionofits host star l A ’ STROFILO Editorinchief MicheleFerrara Scientificadvisor Prof.EnricoMariaCorsini Publisher Astro Publishing di Ferrara M. Via Bonomelli, 106 25049Iseo-BS-ITALY emailinfo@astropublishing.com InternetServiceProvider ArubaS.p.A. ViaSanClemente,53 24036PonteSanPietro-BG- ITALY Copyright All material in this magazine is, unless otherwise stated, property of Astro Publishing di Ferrara M. or includedwithpermissionofitsauthor.Repr oduc- tion or retransmission of the materials, in whole or in part, in any manner, withoutthepriorwrittenconsentof the copyright holder, is a violation of copyright law. A single copy of the ma- terials available through this coursemay be made, solely for personal, non- commercial use. Users may not distrib- ute such copies to others, whether or not in electronic form, whether or not for a charge or other consideration, without prior written consent of the copyright holder of the materials. The publisher makes available itself with havingrightsforpossiblenotcharacter- ized iconographic sources. Advertising - Administration Astro Publishing di Ferrara M.Via Bonomelli, 106 25049Iseo-BS-ITALY emailadmin@astropublishing.com VLBAmapsturbulent“weather”inthe Milky Way Persistentmismatchintheexpansionofthe local Universe Themoremassivestarclustersemerge more quickly Thisishowprotoplanetarydisks form DESI completes planned 3D map of the Universe RubinObservatoryrevealsover11,000 new asteroids 4 6 12 20 22 30 32 36 40 42 48 ــــــــﻞﺷــــــــﻬﺮ ﻦ ــــــــﺔ ﺗﺼــــــــﺪر ﻣﺠﻠــــــــﺔ ﻋﻠﻤ ــــــــــــﺔ ــــــــــــﺔ واﻟﺘﻘﻨ ﻟﻠﻤﻌﻠﻮﻣــــــــــــﺎت اﻟﻌﻠﻤ ﻣﺘﻮﻓـــﺮة ﻣـﺠﺎﻧﺎً ﻣ ـــ ﺖ ـــــــﻦﺧــﻼل اﻹﻧ ﻳﻮﻟﻴﻮ – اﻏﺴﻄﺲ 2026 اﻟﻨﺴﺨﺔ اﻟﻌﺮ ﺔﻣﻦ اﻟﻤﺠﻠﺔ ASTROFILO ـاﻟ ـــﻤــﺟ ــﺘــــ ﺔواﻟ ﺮــــ ﺤﺮ . م ﻣﺎﺟﺪأﺑﻮزاﻫﺮة ــــــﻣ ـــــــ ﺮاﺟﻌ ــ ﺔاﻟ ــــ ﻤﺤ ﺘﻮى . أ ﺻﺎﻟـﺢ ﻣ ﻤﺪ اﻟﺼﻌﺐ اﻟﻤﻌﺎﻟـﺠﺔواﻟﺘﻨﺴﻴﻖ . أ ﻣﻔﺎزﻋ ﺪاﻟﻠﻄ ﻒ ـــ اﻟﻤ ﺘﺎ ﻌﺔاﻻﻟ ـــ ﻜ وﻧ ﺔ . م ﻧﻮافﻋ ﺪاﻷﻟﮫ ﺣﻘﻮق اﻟﻨﺸﺮ ﻤﻴـــﻊاﻟﻤــــﻮاد اﻟـــﻮاردة ﻓــــﻲﻫـــﺬﻩاﻟﻤﺠﻠــــﺔﻫــــﻲ ﻣﻠﻚ ﻟﻤﺆﺳﺴﺔ Astro PublishingdiPirlo L ﻣﺎ ﻟﻢ ُﻨﺺﻋﻠﻰﺧﻼفذﻟـﻚأو ﻣﻀـﻤﻨﺔ ﺑـﺈذن ﻣـﻦ ﻣﺆﻟﻔﻬــــــﺎ ﻌــــــ ﺪإﻋــــــﺎدةإﻧﺘــــــﺎجاﻟﻤــــــﻮادأوإﻋـــــــﺎدة ـﺄيﻃﺮ ﻘـﺔدون اﻟــﺤﺼﻮل ًـﺎ إرﺳﺎﻟﻬﺎ ﻠ ًﺎأوﺟﺰ ﻋﻠﻰﻣﻮاﻓﻘﺔﺧﻄ ﺔ ﻣﺴ ﻘﺔ ﻣﻦﺻـﺎﺣﺐﺣﻘـﻮق ًـــﺎﻟﻘــــﺎﻧﻮنﺣﻘـــﻮقاﻟﻄﺒــــﻊ اﻟﻄﺒـــﻊ واﻟﻨﺸــــﺮ اﻧﺘﻬﺎ . واﻟﻨﺸـــﺮ ﻤﻜـــﻦﻋﻤـــﻞ ﻧﺴـــﺨﺔواﺣـــﺪة ﻣـــﻦاﻟﻤـــﻮاد اﻟﻤﺘﺎﺣــــــــﺔ ﻟﻼﺳــــــــﺘﺨﺪاماﻟﺸﺨﺼــــــــﻲﻓﻘــــــــﻂﻏــــــــ ﺗﻮز ــــــــﻊ اﻟﺘﺠـــــــﺎريﻻﻳﺠــــــــﻮزﻟﻠﻤﺴـــــــﺘﺨﺪﻣ ﻫــــــــﺬﻩ ــﺎن ذﻟـﻚ ﻓــﻲﺷـ ﻞ اﻟﻨﺴـﺦﻋﻠــﻰاﻵﺧـﺮ ﻦﺳـﻮاءأ إﻟﻜ وﻧــــــــﻲأمﻻﺳــــــــﻮاء ﻣﻘﺎﺑــــــــﻞرﺳـــــــــﻮمأوأي ــــﺔ ﻣﺴــــ ﻘﺔ ﻣــــﻦ ــــﺪون ﻣﻮاﻓﻘــــﺔﺧﻄ ــــﺎرآﺧــــﺮ اﻋﺘ ﺻﺎﺣﺐﺣﻖ ﻧﺴﺦاﻟﻤﻮاد . اﻟ ﻤﺔ - اﻟﻘﺴﻢ اﻟﻌﺮﻲ Jeddah astronomy society Jeddah city, Saudi Arabia jeddah_society@yahoo.com Email 4 6 12 20 22 30 32 36 40 42 48 اﻟﻤﺬﻧﺐ 3I/ATLAS ﺗﺸ ﻞﻓﻲﻋﺎﻟﻢﻣﺘ ﻤﺪ ﻟﻤﺎذا ﻟ ﻮﻛﺐاﻟﻤﺸ يأﻗﻤﺎراً ﻛﺒ ة أﻛ ﻣﻦزﺣﻞ؟ ﺟ ﻤﺲو ﺐ ﻌ ﺪ ﺗﻌﺮﻒاﻟـﺤﺪود اﻟ ﻮاﻛﺐواﻟﻨﺠﻮم ﺑ TNO2002XV93 ﻟﮫﻏﻼفﺟﻮيﻏﺮﺐ WASP-189 ﻄﺎﺑﻖ ﺗﺮﻛﻴ ﺔ ﻧ ﻤﮫ اﻟﻤﻀ ﻒ ﻣﺼﻔﻮﻓﺔ «VLBA» ﺗﺮﺻﺪﻃﻘﺴﺎًﻣﻀﻄﺮ ﺎً ﻓﻲﻣﺠﺮ ﻨﺎ اﺳﺘﻤﺮار اﻟﺘ ﺎﻳﻦ ﻓﻲﻗ ﺎﺳﺎتﺗﻤﺪد اﻟ ﻮن اﻟﻤﺤﻠﻲ اﻟﻌﻨﺎﻗ ﺪ اﻟﻨ ﻤ ﺔ ﺗﺨﺮجﻣﻦﺳﺤﺐوﻻدﺗﻬﺎ ﺳﺮع أ ﻫﻜﺬا ﺗﺘﺸ ﻞ اﻷﻗﺮاصاﻟ ﻮﻛﺒ ﺔ اﻷوﻟ ﺔ ﻳﺰيد ﻳ ﻤﻞرﺳﻢ ـﺨﺮﻄﺔ ﺛﻼﺛ ﺔ اﻷ ﻌﺎد ﻟﻠ ﻮن ﻔﺘﺘﺢﻋﺼﺮﻩ ﺎﻛﺘﺸﺎف اﻛ ﻣﻦ روﺑ 11 أﻟﻒ ﻮ ﻜﺐﺟﺪ ﺪ