Free Astronomy Magazine November-December 2026 ARABIC VERSION

P anoramicviewofKittPeakNational Observatory, home to the Mayall telescope (in the largest dome, on the left)withtheDarkEnergySpectroscopic Instrument. [KPNO/NOIRLab/NSF/AURA/ P.Horálek(InstituteofPhysicsinOpava)] “It’spartofthefabricofastronomy researchnow,” saysDavidSchlegel, aco-leadoftheLegacySurveysand scientist at the Department of En- ergy’sLawrenceBerkeley National Laboratory (Berke- ley Lab). “When you’re working with astronomical objects today, you often start by pulling up the Legacy Imaging Viewer to seewhatyou’relookingat.” Coveringroughly75%ofthe sky in visible and near-infrared light, the updated map provides a deep viewoftheextragalacticUnive rse not blocked by the dust and stars of our own Milky Way. Researchersexpectitwillre- main the most comprehen- sive 2D map of our Universe for years to come. In addition to the extended filecollection,theDESILeg- acy Surveys’ full catalog of data is made available as a searchabledatabaseviathe Astro Data Lab at the Community Science and Data Center (CSDC), a Program of NSF NOIRLab. These servicesareaccessibletotheentire astronomy community to facilitate data access and analysis. “ExplorationsofourUniverseal- waysstartwithimagesofthenight NOVEMBER-DECEMBER2026 ﻣﺠﻠﺔ FreeAstronomy ﺎﻟﻌﺮ ﺔ 17 ﻣﺸﻬﺪ ﺎﻧﻮراﻣﻲ ﻟﻤﺮﺻﺪ " ﻛ ﺖ ﺑ ﻚ " ﻀـﻢ اﻟـﺬ اﻟـﻮﻃ ﺗﻠﺴ ﻮب " ﻣﺎ ﺎل " ـ اﻟﻤﻮﺟـﻮد داﺧـﻞ اﻟﻘ ﺔ اﻷﻛـ ﺟﻬـﺔ اﻟ ﻤـ - واﻟﻤﺰوّد ﺄداة ﻗ ﺎسﻃ ﻒ اﻟﻄﺎﻗﺔ اﻟﻤﻈﻠﻤﺔ . [KPNO/NOIRLab/NSF/AURA/ P. Horálek (Institute ysics in Op va)] ﻣﻦ ﻣـﺎ ﻘـﺮ ﻣـﻦ أرﻌـﺔ ﺑ ــــــــــــﺎراتﺟــــــــــــﺮمﺳــــــــــــﻤﺎوي ﻣﻠ ﺗﻀــﻤﻨﺘﻬﺎ ﺧﺮﻄــﺔ ﻣﺴـــﻮﺣﺎت اﻟﺘﺼﻮﻳﺮ ﺗ زاﻟﻤﺠﺮة " ﻣﺴﻴ ﮫ 96" ) NGC 3368 ( وﻫـــﻲ ﻣﺠـــﺮة ـــﺔ ﺗﻘــــﻊ ــــﺔ ﻣﻬﻴ ﺣﻠﺰوﻧ ــــــــﺔ اﻷﺳــــــــﺪ ﻋﻠــــــــﻰ ﻓــــــــﻲ ﻮﻛ ﻣﺴــــــــﺎﻓﺔ ﺗﻨــــــــﺎﻫﺰ 35 ﻣﻠﻴــــــــﻮن ﺳـــــــــــﻨﺔ ﺿــــــــــــﻮﺋ ﺔ ﻣــــــــــــﻦ اﻷرض وﺗﻤﺘﺪ ﻫﺬﻩ اﻟﻤﺠﺮة ﻟﻤﺴﺎﻓﺔ 100 أﻟــــﻒﺳــــﻨﺔ ﺿــــﻮﺋ ﺔ أي - أﻧﻬــــ ﺎ أﻛــــ ﻗﻠــــ ﻼً ﻣــــﻦ ﻣﺠﺮﻨــــﺎ " در اﻟﺘ ﺎﻧــــــــــــﺔ " ــــــــــــﺚ ﻣــــــــــــﻦﺣ ـ اﻟــ - ﺤ ﻢ وﺗﻌــﺪ اﻟﻌﻀــﻮ اﻷﻛــ ﺳـــــــــﻄﻮﻋﺎً ﻓـــــــــﻲ " ﻣ ﻤﻮﻋـــــــــﺔ ﻣﺴــــــــﻴ ﮫ 96 " وﻫــــــــﻲ أﻗــــــــﺮ ﺗ ﻤـــــــــــــــــــــﻊ ﻣﺠـــــــــــــــــــــﺮي إﻟـــــــــــــــــــــﻰ " ﻣ ﻤﻮﻋﺘﻨﺎ اﻟﻤﺤﻠ ﺔ " [DESI Legacy Imaging Surveys/LBNL/DO & KPNO/CTIO/NOIRLab/N SF/AURA] اﻟﺒﻴﺎﻧﺎت ﺟﺰءًا ﻣﻦ ﻧﺴﻴﺞ اﻟﺒﺤﺚ اﻟﻔﻠﻜﻲ اﻵن . ﻓﻌﻨﺪﻣﺎ ﺗﻌﻤﻞ ﻋـﲆ اﻷﺟـﺮام اﻟﻔﻠﻜﻴـﺔ اﻟﻴـﻮم ﻏﺎﻟﺒًﺎ ﻣﺎ ﺗﺒﺪأ ﺑﻔﺘﺢ ﻋﺎرض اﻟﺼﻮر اﻷ رﺷﻴﻔﻴﺔ ﻟﱰى ﻣﺎ اﻟﺬي ﺗﻨﻈﺮ إﻟﻴﻪ « وﺗﻐﻄـﻲ اﻟﺨﺮﻳﻄـﺔ ـــــــــــــــــــــــــــــــــــــ ا ﺤﺪﺛﺔ ﻧﺤـﻮ 75 % ﻣـﻦ اﻟﺴـﻤﺎء ﰲ اﻟﻀـﻮء ا ﺮﺋﻲ واﻷﺷﻌﺔ ﺗﺤﺖ اﻟﺤﻤﺮاء اﻟﻘﺮﻳﺒﺔ ﻓﺮ وﺗﻮ رؤﻳﺔ ﻋﻤﻴﻘﺔ ﻟﻠﻜﻮن ﺧﺎرج ا ﺠﺮة ﺑﻌﻴﺪ اً ﻋـﻦ ا ﻨﺎﻃﻖ اﻟﺘﻲ ﺗﺤﺠﺒﻬﺎ ﺳﺤﺐ اﻟﻐﺒﺎر واﻟﻨﺠـﻮم ـــــــــــــــــــــــــــــــــــــ ﰲ ﻣﺠﺮﺗﻨﺎ درب اﻟﺘﺒﺎﻧﺔ وﻳﺘﻮﻗﻊ اﻟﺒـﺎﺣﺜﻮن أن ﺗﻈﻞ ﻫﺬه اﻟﺨﺮﻳﻄﺔ أﺷـﻤﻞ ﺧﺮﻳﻄـﺔ ﺛﻨ ﺎﺋﻴـﺔ اﻷﺑﻌﺎد ﻟﻠﻜـﻮن ﻟﺴـﻨﻮات ﻗﺎدﻣـﺔ و إﱃ ﺟﺎﻧـﺐ ﻣﺠﻤﻮﻋﺔ ا ﻠﻔﺎت ا ﻮﺳـﻌﺔ أﺻـﺒﺤﺖ ﻗﺎﻋـﺪة اﻟﺒﻴﺎﻧ ـﺎت اﻟﻜﺎﻣﻠــﺔ ﺴـﻮح DESI اﻟﺘﺼﻮﻳﺮﻳﺔ اﻷرﺷﻴﻔﻴﺔ ﻣﺘﺎﺣﺔ أﻳﻀ ﺎً ﰲ ﺻـﻮرة ﻗﺎﻋ ـﺪة ﺑﻴ ﺎﻧ ـﺎت ﻗﺎﺑﻠ ـﺔ ﻟﻠﺒﺤﺚ ﻋﱪ Astro Data Lab اﻟﺘﺎﺑﻊ ﺮﻛﺰ اﻟﻌﻠﻮم واﻟﺒﻴﺎﻧـﺎت ا ﺠﺘﻤﻌﻴـﺔ CSDC وﻫﻮ أﺣـﺪ ﺑـﺮاﻣﺞ ا ﺨﺘـﱪ اﻟﻮﻃﻨﻲ ﻟﺒﺤـﻮث اﻟﻔﻠـﻚ اﻟـ ـ ﺒﴫي واﻷﺷـﻌﺔ ﺗﺤــﺖ اﻟﺤﻤـﺮاء اﻟﺘـﺎﺑﻊ ﺆﺳﺴﺔ اﻟﻌﻠﻮم اﻟﻮﻃﻨﻴﺔ اﻷﻣﺮﻳﻜﻴﺔ وﺗﺘـﺎح ﻫـﺬه اﻟﺨـﺪﻣﺎت ﻟﻠﻤﺠﺘﻤـﻊ اﻟﻔﻠﻜﻲ ﺑﺄﻛﻤﻠﻪ ﻟﺘﺴﻬﻴﻞ اﻟﻮﺻﻮل إﱃ اﻟﺒﻴﺎﻧﺎت . وﺗﺤﻠﻴﻠﻬﺎ ﻳﻘ ـﻮل أرﺟ ـﻮن دي أﺣ ـﺪ اﻟﻘ ـﺎدة ا ﺸﺎرﻛ ﰲ ا ﺴﻮﺣﺎت اﻷﺷـﻴﻔﻴﺔ وﻋﺎﻟﻢ اﻟﻔﻠـﻚ ﰲ ﻣﺨﺘـﱪ ﻧـﻮﻳﺮﻻب : » ﺗﺒـﺪأ اﺳﺘﻜﺸـﺎﻓﺎت ﻛﻮﻧﻨـﺎ داﺋﻤـ ﺎً ﺑﺼﻮر ﻟﺴﻤﺎء اﻟﻠﻴﻞ وﻣﺴﻮح DESI اﻟﺘﺼﻮﻳﺮﻳﺔ اﻷرﺷﻴﻔﻴﺔ ﻟﻴﺴﺖ ﺳﻮى ﺧﻄــﻮة واﺣــﺪة ﰲ ﻫــﺬا اﻟﺘﻘﻠﻴــﺪ اﻹﻧﺴــﺎﻧﻲ اﻟﻌﺮﻳــﻖ « . وﻳﻀــﻴﻒ : » ﺑﺎﻟﻨﺴﺒﺔ إﱃ ﻓﺮﻳﻘﻨﺎ، ﺗ ﺸـﻜﻞ ﻫـﺬه ﻧﻮﻓﻤﺒﺮ - ﺩﻳﺴﻤﺒﺮ 2 0 2 6