Free Astronomy Magazine January-February 2026 ARABIC VERSION

T locationofthesuper- hisimageshowsthe nova SN 2024ggi in the NGC 3621 galaxy. It was taken on 11 April 2024, just26hoursaftertheini- tial detection of the su- pernova, with the FORS2 instrument on ESO’s Very Large Telescope (VLT). Amongothercapabilities, FORS2 allows toobtain spectrainpolarisedlight.Thistechnique,calledspectro-polarimetry,provides crucial information about the shape of the explosion even though it appears as a single point as seen from Earth. [ESO/Y. Yang et al.] tion. SN 2024ggi is located inthe galaxyNGC3621inthedirectionof theconstellationHydra‘only’22mil- lion light-years away, close by in astronomicalterms.Withalargetel- escopeandtherightinstrument,the international team knew they hada rare opportunity to unravel the shapeoftheexplosionshortlyafter ithappened. “ThefirstVLTobserva- tions captured the phase during whichmatteracceleratedbytheex- plosion near the centre of the star shotthroughthestar’ssurface.For afewhours,thegeometryofthe JANUARY-FEBRUARY2026 ﻣﺠﻠﺔ FreeAstronomy ﺎﻟﻌﺮ ﺔ 25 ﻳﻘﻊ ا ﺴﺘﻌﺮ اﻷﻋﻈﻢ SN 2024ggi ﰲ ا ﺠﺮة NGC 3621 ﺑﺎﺗﺠﺎه ﻛﻮﻛﺒـﺔ ﻫﻴـﺪرا وﻋـﲆ ﻣﺴﺎﻓﺔ ﻻ ﺗﺘﺠﺎوز 22 ﻣﻠﻴﻮن ﺳﻨﺔ ﺿـﻮﺋﻴﺔ وﻫﻲ ﻣﺴﺎﻓﺔ ﺗﻌـﺪ ﻗﺮﻳﺒـﺔ وﻓـﻖ ا ﻘـﺎﻳﻴﺲ اﻟﻔﻠﻜﻴـﺔ وﻣـﻊ اﺳـﺘﺨﺪام ﺗﻠﺴـﻜﻮب ﻛﺒـ واﻷداة ا ﻨﺎﺳــﺒﺔ أدرك اﻟﻔﺮﻳــﻖ اﻟــﺪوﱄ أن أﻣﺎﻣﻪ ﻓﺮﺻﺔ ﻧﺎدرة ﻟﻜﺸﻒ ﺷﻜﻞ اﻻﻧﻔﺠـﺎر ﺑﻌﺪ وﻗﺖ ﻗﺼ ﻣﻦ ﺣﺪوﺛﻪ . ﻳ ﻘﻮل دﻳﱰﻳﺶ ﺑ ـﺎدي ﻋـﺎﻟﻢ اﻟﻔﻠ ـﻚ ﰲ ا ﺮﺻـﺪ اﻷوروﺑ ـﻲ اﻟﺠﻨﻮﺑﻲ ﺑﺄ ﺎﻧﻴـﺎ وأﺣـﺪ ﻣـﺆﻟﻔﻲ اﻟﺪراﺳـﺔ ا ﻨﺸـﻮرة ﰲ ﻣﺠﻠ ـﺔ ﺳـﺎﻳﻨﺲ أدﻓﺎﻧﺴ ـﺰ ": رﺻﺪت أوﱃ ﻣﻼﺣﻈﺎت اﻟﺘﻠﺴـﻜﻮب اﻟﻜﺒـ ﺟـﺪاً ا ﺮﺣﻠـﺔَ اﻟﺘـﻲ اﻧـﺪﻓﻌﺖ ﻓﻴﻬـﺎ ا ـﺎدة ــــــــــــــــــــــــــــــــــــ ﺗﻈﻬـــــﺮ ﻫـــــﺬﻩ اﻟﺼـــــﻮرة ﻣﻮﻗـــــﻊ اﻟﻤﺴﺘﻌﺮ اﻷﻋﻈﻢ SN 2024ggi ﻓــــــــــﻲﻣﺠــــــــــﺮ ة 3621 NGC . وﻗــــــــــﺪ اﻟﺘُﻘﻄﺖ ﻓـﻲ 11 أﺑﺮ ـﻞ 2024 ﻌـﺪ 26 ﺳـــﺎﻋﺔ ﻓﻘـــﻂ ﻣـــﻦ ا ﻻﻛﺘﺸـــﺎف اﻷوّﻟــــــــــــــﻲ ﻟﻠﻤﺴـــــــــــــــﺘﻌﺮ اﻷﻋﻈـــــــــــــــﻢ ﺎﺳـــﺘﺨﺪام أداة FORS2 ﺘـــﺔ ﺜ اﻟﻤ ﻋﻠﻰ اﻟﺘﻠﺴ ﻮب اﻟﻜ ﺒ ﺟﺪاً ا ﻟﺘﺎﺑﻊ ﻟ ﻠﻤﺮﺻـــــــــــﺪ اﻷوروﺑــــــــــــﻲ اﻟــــــــــــ ـ ﺠﻨﻮﺑﻲ ﻗﺪراﺗــﮫ اﻟﻤﺘﻌــﺪدة وﻣــﻦ ﺑــ ﺘــﻴﺢ ﺗ FORS2 ـ اﻟـــــ ـــــﺎف ﺤﺼﻮل ﻋﻠـــــﻰ أﻃ ﺿـــــــﻮﺋ ﺔ ﻓـــــــﻲﺿـــــــﻮءٍ ﻣﺴـــــــﺘﻘﻄﺐ ـــــــــﺔ ﺎﺳـــــــــﻢ وﺗﻌـــــــــﺮفﻫـــــــــﺬﻩ اﻟﺘﻘﻨ اﻟﺘﺤﻠﻴـــــﻞ اﻟﻄ ﻔـــــﻲ اﻻﺳـــــﺘﻘﻄﺎﺑﻲ F ـاﻟ أﻃ ﺎفﻰ ﺿﻮﺋ ﺔ ﻓﻲﺿﻮء ﻣﺴـﺘﻘﻄﺐ وﺗ ـﺔ ﺎﺳـﻢ اﻟﺘﺤﻠﻴـﻞ اﻟﻄ ﻔـﻲ ﻌـﺮفﻫـﺬﻩ اﻟﺘﻘﻨ اﻻﺳﺘﻘﻄﺎﺑ وﻫﻲ ﺗﻮﻓﺮﻣﻌﻠﻮﻣﺎتﺣﺎﺳﻤﺔ ﻋﻦﺷ ﻞ اﻻﻧﻔﺠﺎرﻋﻠﻰ اﻟﺮﻏﻢ ﻣﻦ أﻧ ﮫ ﻈﻬـﺮ ﻛﻨﻘﻄـﺔ واﺣـﺪة ﻓﻘﻂﻋﻨﺪ رﺻﺪﻩ ﻣﻦ اﻷرض ﻓﻲﺻﻮر اﻟﺘﻠﺴ ﻮ ﺎت اﻷرﺿ ﺔ ﺴ ﺐ ﻌﺪﻩ اﻟﻬﺎﺋﻞ . [ESO/Y. Yang t al.] - ﻳﻨﺎﻳﺮ ﻓﺒﺮﺍﻳﺮ 2 0 2 6