Free Astronomy Magazine July-August 2023 ARABIC VERSION

BI-MONTHLY MAGAZINE OF SCIENTIFIC AND TECHNICAL INFORMATION FREELY AVAILABLE THROUGH THE INTERNET July-August 2023 English edition of the magazine How long until Betelgeuse explodes? First direct image of a black hole expelling a powerful jet BlackGEM telescopes begin hunt for gravitational-wave sources Concentric gas and dust discs around the star TW Hydrae A vast reservoir of hot gas in the Spiderweb protocluster l A ’ STROFILO Editor in chief Michele Ferrara Scientific advisor Prof. Enrico Maria Corsini Publisher Astro Publishing di Pirlo L. Via Bonomelli, 106 25049 Iseo - BS - ITALY email info@astropublishing.com Internet Service Provider Aruba S.p.A. Via San Clemente, 53 24036 Ponte San Pietro - BG - ITALY Copyright All material in this magazine is, unless otherwise stated, property of Astro Publishing di Pirlo L. or included with permission of its author. Reproduction or retransmission of the materials, in whole or in part, in any manner, with- out the prior written consent of the copyright holder, is a violation of copy- right law. A single copy of the materi- als available through this course may be made, solely for personal, noncom- mercial use. Users may not distribute such copies to others, whether or not in electronic form, whether or not for a charge or other consideration, with- out prior written consent of the copy- right holder of the materials. The publisher makes available itself with having rights for possible not charac- terized iconographic sources. Advertising - Administration Astro Publishing di Pirlo L. Via Bonomelli, 106 25049 Iseo - BS - ITALY email admin@astropublishing.com A possible preview of the ultimate fate of Earth Distant gas clouds with leftovers of the first stars Rubin Observatory reaches major milestone A closely bound duo of energetic quasars VISTA reveals hidden views of vast stellar nurseries First kilonova progenitor system identified 4 12 18 22 26 28 32 36 40 42 48 ﻣﺠﻠــــــــﺔ ــــــــﺔ ﻋﻠﻤ ــــــــﻞﺷــــــــﻬﺮ ﻦ ﺗﺼــــــــﺪر ــــــــــــﺔ ــــــــــــﺔ واﻟﺘﻘﻨ ﻟﻠﻤﻌﻠﻮﻣــــــــــــﺎت اﻟﻌﻠﻤ ـــ ﻣﺘﻮﻓ ـ ة ﻣﺮ ـــــــ ﺠﺎﻧﺎً ﻣ ــ ﻦﺧ ـــ ﻼل اﻹﻧ ﺖ ﻳﻮﻟﻴﻮ – أﻏﺴﻄﺲ 2023 اﻟﻨﺴﺨﺔ اﻟﻌﺮ ﺔﻣﻦ اﻟﻤﺠﻠﺔ ASTROFILO اﻟ ﻤﺔواﻟﺘﺤﺮﺮ . م ﻣﺎﺟﺪ أﺑﻮ زاﻫﺮة ﻣﺮاﺟﻌﺔاﻟﻤﺤﺘﻮى ـﺻﺎﻟ . أ ﻣ ﻤﺪ ﺢ اﻟﺼﻌﺐ اﻟﻤﻌﺎﻟـﺠﺔواﻟﺘﻨﺴﻴﻖ . أ ﻣﻔﺎزﻋ ﺪاﻟﻠﻄ ﻒ اﻟﻤﺘﺎ ﻌﺔ اﻻﻟﻜ وﻧ ﺔ . م ﻧﻮافﻋ ﺪا ﻷﻟﮫ ﺣﻘﻮق اﻟﻨﺸﺮ ﻤﻴــﻊ اﻟﻤــﻮاد اﻟــﻮاردة ﻓـــﻲﻫــﺬﻩ اﻟﻤﺠﻠـــﺔ ﻫـــﻲﻣﻠــﻚ ﻟﻤﺆﺳﺴـﺔ Astro Publishing di Pirlo L ﻣـﺎ ﻟـﻢ ُـﻨﺺﻋﻠــﻰﺧـﻼف ذﻟــﻚ أو ﻣﻀــﻤﻨﺔ ﺑـﺈذن ﻣـﻦ ﻣﺆﻟﻔﻬــﺎ ًـــﺎ أو ﻌـــﺪ إﻋـــﺎدة إﻧﺘـــﺎج اﻟﻤـــﻮاد أو إﻋـــﺎدة إرﺳـــﺎﻟﻬﺎ ﻠ ﺟﺰ ــــــﺄيﻃﺮﻘــــــﺔ دون اﻟــــــ ًــــــﺎ ـ ﺤﺼﻮل ﻋﻠــــــﻰ ﻣﻮاﻓﻘــــــﺔ ــﺔ ﻣﺴـــ ﻘﺔ ﻣـــﻦ ﺻـــﺎﺣﺐﺣﻘــــﻮق اﻟﻄﺒـــﻊ واﻟﻨﺸـــﺮ ﺧﻄ ًــﺎ ﻟﻘـــﺎﻧﻮن ﺣﻘـــﻮق اﻟﻄﺒــﻊ واﻟﻨﺸــﺮ اﻧﺘﻬﺎ . ﻤﻜــﻦ ﻋﻤـــﻞ ﻧﺴـــــــﺨﺔ واﺣـــــــﺪة ﻣـــــــﻦ اﻟﻤـــــــﻮاد اﻟﻤﺘﺎﺣــــــﺔ ﻟﻼﺳــــــــﺘﺨﺪام ــﻮزﻟﻠﻤﺴـــﺘﺨﺪﻣ اﻟﺸﺨﺼــﻲﻓﻘــﻂﻏــ اﻟﺘﺠــﺎريﻻ ﻳﺠ ـــﺎن ذﻟـــﻚ ﺗﻮز ـــﻊ ﻫــــﺬﻩ اﻟﻨﺴــــﺦ ﻋﻠــــﻰ اﻵﺧـــﺮﻦﺳـــﻮاء أ ﻓــﻲﺷــــ ﻞ إﻟﻜ و ﻧــــﻲ أمﻻ ﺳـــﻮاء ﻣﻘﺎﺑـــﻞ رﺳــــﻮم أو ــــﺔ ﻣﺴــــ ﻘﺔ ﻣــــﻦ ــــﺪون ﻣﻮاﻓﻘـــﺔ ﺧﻄ ـــﺎرآﺧـــﺮ أي اﻋﺘ ﺻﺎﺣﺐﺣﻖ ﻧﺴﺦ اﻟﻤﻮاد . اﻟ ﻤﺔ - اﻟﻘﺴﻢ اﻟﻌﺮﻲ Jeddah astronomy society Jeddah city, Saudi Arabia _society@yahoo.com jeddah Email ﺳ ﻣ ﻨﻔﺠﺮﻣﻨﻜﺐ اﻟ ـ ﺠﻮزاء؟ أولﺻﻮرةﻣ ﺎﺷﺮة ﻟﺜﻘﺐأﺳﻮد ﻘﺬف ﻧﻔﺎﺛﺔﻗﻮ ﺔ ﺗﻠﺴ ﻮ ﺎت " " ﻼكﺟ ﻢ ﺗ ﺪأ اﻟﺒﺤﺚ ﻋﻦﻣﺼﺎدرﻣﻮﺟﺎتاﻟ ـ ﺠﺎذﺑ ﺔ أﻗﺮاص ﻏﺎزو ﻏ ﺎرﻣﺘﺤﺪة اﻟﻤﺮﻛﺰﺣﻮل اﻟﻨ ﻢ ﺗﻲد ﻠﻴﻮﻫ ﺪرا ﺧﺰانﺿ ﻢﻣﻦاﻟﻐﺎزاﻟﺴﺎﺧﻦﻓﻲﻋﻨﻘﻮد ﻣﺠﺮات ﺷ ﻜﺔ اﻟﻌﻨﻜﺒﻮت ﻧﻈﺮة ﻣﺤﺘﻤﻠﺔ ﻟﻠﻤﺼ اﻟﻨﻬﺎﺋﻲﻟﻸرض ﻏﻴﻮمﻏﺎز ﺔ ﻌ ﺪةﻣﻊ ﻘﺎ ﺎ اﻟﻨﺠﻮماﻷوﻟﻰ إﻟﻰ وﺻﻮلﻣﺮﺻﺪ روﺑ ﻣﺮﺣﻠﺔﻫﺎﻣﺔ ﺛﻨﺎﺋﻲ ﻮاز ارا تﻧﺸﻂ ﻣﺮ ﻄﺎن ﺸ ﻞوﺛﻴﻖﺟﺪاً " " ﻓ ﺴﺘﺎ ﻜﺸﻒﻋﻦﻣﻨﺎﻇﺮﻣﺤﺠﻮ ﺔ ﻟـﺤﺎﺿﻨﺎت اﻟﻨﺠﻮم ﺗﺤﺪ ﺪ أﺻﻞ أولﻧﻈﺎم ﻟﻠﻜ ﻠﻮﻧﻮﻓﺎ 4 12 18 22 26 28 32 36 40 42 48