Free Astronomy Magazine November-December 2026 ARABIC VERSION

Scientists release biggest 2D map of the Universe byNOIRLab JosieFenske5LaurenBiron oldontoyourtelescopes: the DESI Legacy Imaging Sur- veysteamhasreleasedthe largest-ever 2D map of the Uni- verse.The5.6-trillion-pixelmapcon- tains nearly four billion celestial objects, including stars, galaxies, black holes, and asteroids. The data are available for all to use and are publiclyviewablethroughtheLeg- acySurveySkyViewer.Astronomers and citizen scientists can combine the map with their own observa- tionstobetterunderstandourUni- verse. Researchers can search for rare phenomena like gravitational lenses,observefleetingeventslike supernovae,andinvestigatetwoof physics’biggestmysteries:darkmat- ter,theinvisiblesubstancethatac- counts for most of the mass in our Universe,anddarkenergy,theforce driving our Universe’s accelerating expansion. The new map builds on earlier versions from the DESI Legacy Imaging Surveys that have alreadyprovedinvaluable.Todate, more than 1800 science papers have been published referencing the Legacy Surveys’ data. NOVEMBER-DECEMBER2026 ﻣﺠﻠﺔ FreeAstronomy ﺎﻟﻌﺮ ﺔ 16 اﻟﻜﺸﻒ ﻋﻦ أﻛ ﺧﺮ ﻄﺔ ﺛﻨﺎﺋ ﺔ اﻷ ﻌﺎد ﻟﻠ ﻮن : ﻘﻠﻢ ﺟﻮﺳﻲ ﻓ ﻨﺴﻜﻲوﻟﻮر ﻦ ﺑ ون ﻷﺑﺤﺎثﻋﻠﻢ اﻟﻔﻠﻚ اﻟﻤﺨﺘ اﻟﻮﻃ اﻟ ﺼﺮيواﻷﺷﻌﺔ ﺗﺤﺖ اﻟ ـ ) ﻤﺮاء ﻧﻮﻳﺮﻻب ( ﺗﻤﻬﻠـﻮا ﻗﻠﻴﻼً ﻗﺒﻞ ﺗﻮﺟﻴـﻪ ﺗﻠﺴـﻜﻮﺑﺎﺗﻜﻢ إﱃ اﻟﺴــﻤﺎء : أﻋﻠــﻦ ﻓﺮﻳــﻖ ﻣﺴــﻮﺣﺎت DESI اﻟﺘﺼﻮﻳﺮﻳﺔ اﻷرﺷﻴﻔﻴﺔ إﺻﺪار أﻛـﱪ ﺧﺮﻳﻄـﺔ ﺛ ﻨﺎﺋﻴﺔ اﻷﺑﻌﺎد ﻟﻠﻜﻮن ﻋـﲆ اﻹﻃـﻼق وﺗﺘﻜـﻮن اﻟﺨﺮﻳﻄﺔ ﻣـﻦ 5.6 ﺗﺮﻳﻠﻴـﻮن ﺑﻜﺴـﻞ وﺗﻀـﻢ ﻗﺮاﺑﺔ 4 ﻣﻠﻴﺎرات ﺟـﺮم ﺳـﻤﺎوي ﻣـﻦ ﺑﻴﻨﻬـﺎ اﻟﻨﺠــﻮم وا ﺠــﺮات واﻟﺜﻘــﻮب اﻟﺴــﻮداء واﻟﻜﻮﻳﻜﺒ ـﺎت وأﺻــﺒﺤﺖ اﻟﺒﻴﺎﻧ ـﺎت ﻣﺘﺎﺣــﺔ ﻟﻠﺠﻤﻴـﻊ وﻳﻤﻜـﻦ اﺳﺘﻌﺮاﺿـﻬﺎ ﻣـﻦ ﺧـﻼل ﻋ ـــــــــــــــــــــــــــــــﺎرض ﻋﺎرض ا ﺴـﺢ اﻷرﺷـﻴﻔﻲ ﻟﻠﺴـﻤﺎء وﻳﻤﻜـﻦ ﻟﻌﻠﻤﺎء اﻟﻔﻠﻚ واﻟﻌﻠﻤﺎء ا ﻮاﻃﻨ دﻣـﺞ ﻫـﺬه اﻟﺨﺮﻳﻄﺔ ﻣﻊ أرﺻﺎد ﻫﻢ اﻟﺨﺎﺻﺔ ﻟﻔﻬﻢ ﻛﻮﻧﻨﺎ ﺑﺼﻮرة أﻓﻀﻞ ﻛﻤﺎ ﻳﺴﺘﻄﻴﻊ اﻟﺒﺎﺣﺜﻮن اﻟ ﺒﺤﺚ ﻋﻦ ﻇﻮاﻫﺮ ﻧـﺎدرة ﻣﺜـﻞ ﻋﺪﺳـﺎت اﻟﺠﺎذﺑﻴـﺔ ورﺻﺪ أ ﺣﺪاث ﻋﺎﺑﺮة ﻣﺜﻞ ا ﺴﺘﻌﺮات اﻟﻌ ﻈﻤﻰ ودراﺳﺔ اﺛﻨ ﻣﻦ أﻛﱪ أﻟﻐﺎز اﻟﻔﻴﺰﻳﺎء : ا ـﺎدة ا ﻈﻠﻤﺔ وﻫﻲ ا ﺎدة ﻏ ا ﺮﺋﻴﺔ اﻟﺘـﻲ ﺗﺸـﻜﻞ ﻣﻌﻈﻢ ﻛﺘﻠﺔ اﻟﻜﻮن واﻟﻄﺎﻗـﺔ ا ﻈﻠﻤـﺔ اﻟﺘـﻲ ـــــــــــــــــــــــــــــــــــــ ﺗﻘﻮد اﻟﺘﻤـﺪد ا ﺘﺴـﺎر ع ﻟﻠﻜـﻮن وﻗـﺪ ﺑﻨﻴـﺖ اﻟﺨﺮﻳﻄﺔ اﻟﺠﺪﻳﺪة ﻋﲆ إﺻﺪارات ﺳﺎﺑﻘﺔ ﻣـﻦ ﻣﺴﻮﺣﺎت DESI اﻟﺘﺼﻮﻳﺮﻳﺔ اﻷرﺷﻴﻔﻴﺔ ﻟﺘﻲ وا أﺛﺒﺘﺖ ﻗﻴﻤﺘﻬﺎ اﻟﻜﺒـ ة وﺣﺘـﻰ اﻵن ﴩت ـُ ﻧـ أﻛﺜﺮ ﻣـﻦ 1800 ورﻗـﺔ ﻋﻠﻤﻴـﺔ اﺳـﺘﻨﺪت إﱃ ﺑﻴﺎﻧﺎت ﻫﺬه ا ﺴﻮﺣﺎت . ﻳﻘﻮل دﻳﻔﻴﺪ ﺷـﻠﻴﻐﻞ أﺣﺪ اﻟﻘﺎدة ا ﺸﺎرﻛ ﰲ ا ﺴﻮﺣﺎت واﻟﻌﺎﻟﻢ ﰲ ﻣﺨﺘﱪ ﻟﻮر ﻧﺲ ﺑ ﻛﲇ اﻟﻮﻃﻨﻲ اﻟﺘﺎﺑﻊ ﻟـﻮزارة اﻟﻄﺎﻗ ـﺔ اﻷﻣﺮﻳﻜﻴ ـﺔ :» ﻟﻘ ـﺪ أﺻـﺒﺤﺖ ﻫ ـﺬه ـــــــــــــــــــــــــــــــــــــ ﻧﻮﻓﻤﺒﺮ - ﺩﻳﺴﻤﺒﺮ 2 0 2 6