Free Astronomy Magazine November-December 2026 ARABIC VERSION

A Twisted Physics: 30-year-oldstellar mystery solved byNRAO stronomers using the Ata- cama Large Millimeter/sub- millimeterArray(ALMA),of which the U.S. National Science Foundation National Radio Astron- omy Observatory (NSF NRAO) is a partner,havecapturedthefirstdi- rect, high-resolution images of a magnetic field wrapped tightly around the outflow of gas stream- ing away from a forming star — ev- idence that solves a decades-old puzzleabouthowyoungstarssculpt the powerful jets that form them. Thefindings,fromaresearchteam led by Tao-Chung Ching, a former NSF NRAO Jansky Fellow under the mentorship of scientist Emmanuel Momjian, focused on NGC 1333IRAS4A,ayoungdouble- starsystem embeddedinthePerseusmolecular cloud,roughly960light-yearsfrom Earth. Newborn stars grow by pulling in gas and dust from a surrounding disk of material. As they do, they alsoblastsomeofthatmaterialback outintospaceinfast,narrowjets NOVEMBER-DECEMBER2026 ﻓ ﺎء ﻏ ﺗﻘﻠ ﺪ ﺔ : ﺣﻞ ﻟﻐﺰ ﻧ ﻤﻲﻋﻤﺮﻩ 30 ﻋﺎﻣﺎً ﻣﺠﻠﺔ FreeAstronomy ﺎﻟﻌﺮ ﺔ 26 ﺗﻤﻜـﻦ ﻋﻠﻤ ـﺎء ﻓﻠ ـﻚ ﺑﺎﺳ ـﺘﺨﺪام ﻣﺼ ـﻔﻮﻓﺔ أﺗﺎﻛﺎﻣﺎ اﻟﻜﺒ ة ا ﻠﻴﻤﱰﻳﺔ وﺗﺤـﺖ ا ﻠﻴﻤﱰﻳـﺔ (ﺎأ) اﻟﺘﻲ ﺗُﻌﺪ ا ﺆﺳﺴﺔ اﻟﻮﻃﻨﻴـﺔ ﻟﻠﻌﻠـﻮم ﰲ اﻟﻮﻻﻳﺎت ا ﺘﺤﺪة وﻣﺮﺻﺪ ﻋﻠﻢ اﻟﻔﻠﻚ اﻟﺮادﻳﻮي اﻟﻮﻃﻨﻲ ﴍﻳﻜ ﻓﻴﻬﺎ ﻣﻦ اﻟﺘﻘﺎط أول ﺻﻮر ﻣﺒﺎﴍة وﻋﺎﻟﻴﺔ اﻟﺪ ﻗﺔ ﺠﺎل ﻣﻐﻨﺎﻃﻴﴘﻣﻠﺘﻒ ﺑﺈﺣﻜﺎم ﺣﻮل ﺗﺪﻓﻖ ﻣﻦ اﻟﻐﺎز ﻳﻨﺪ اً ﻓﻊ ﺑﻌﻴﺪ ﻋﻦ ﻧﺠﻢ ﰲ ﻃﻮر اﻟﺘﻜﻮّن وﺗﻘﺪم ﻫﺬه اﻟ ﺼﻮر دﻟﻴﻼً ﻳﺤﻞ ﻟﻐ اً ﺰ اﺳﺘﻤﺮ ﻋﻘﻮد اً ﺣـﻮل ﻛﻴﻔﻴـﺔ ﻗﻴـﺎم اﻟﻨﺠﻮم اﻟﻔﺘﻴﺔ ﺑﺘﺸﻜﻴﻞ اﻟﻨﻔﺎﺛﺎت اﻟﻘﻮﻳﺔ اﻟﺘﻲ ﺗﺮاﻓ ﻖ ﻋﻤﻠﻴﺔ وﻻدﺗﻬـﺎ . رﻛـﺰ ﻓﺮﻳـﻖ اﻟﺒﺤـﺚ ﺑﻘﻴﺎدة ﺗﺎو - ﺗﺸﻮﻧﻎ ﺗﺸﻴﻨﻎ وﻫﻮ زﻣﻴﻞ ﺳﺎ ﺑﻖ : ﻘﻠﻢ ﻣﺮﺻﺪ ﻋﻠﻢ اﻟﻔﻠﻚ اﻟﺮادﻳﻮي اﻟﻮﻃ ﰲ ﺑﺮﻧـﺎﻣﺞ » اﻟﺘـ « ﺟﺎﻧﺴـﻜﻲ ﻠﻟ ﺎﺑﻊ ﻤﺆﺳﺴــﺔ اﻟﻮﻃﻨﻴﺔ ﻟﻠﻌﻠﻮم ﺗﺤ ﺖ إﴍاف اﻟﻌﺎﻟﻢ إﻳﻤﺎﻧﻮﻳﻞ ﻣﻮﻣﺠﻴﺎن ﻋﲆ اﻟﻨﻈﺎم اﻟﻨﺠﻤﻲ ا ﺰدوج اﻟﻔﺘﻲ NGC1333IRAS 4A ا ﻐﻤﻮر داﺧﻞ ا ﻟﺴﺤﺎﺑﺔ اﻟﺠﺰﻳﺌﻴﺔ ﰲ ﻛﻮﻛﺒﺔ ﺑﺮﺳﺎوس ﻋﲆ ﺑﻌـﺪ ﻧﺤـﻮ 960 ﺳﻨﺔ ﺿﻮﺋﻴﺔ ﻣﻦ اﻷرض . ﺗﻨﻤﻮ اﻟﻨﺠﻮم ﺣﺪﻳﺜﺔ اﻟﻮﻻدة ﻣﻦ ﺧﻼل ﺳـﺤ ﺐ اﻟﻐﺎز واﻟﻐﺒﺎ ر ﻣﻦ ﻗﺮصﻣﺤﻴﻂ ﺑﻬﺎ وﰲ أﺛﻨـﺎء ذﻟﻚ ﺗﻘﺬف ﺑﻌﺾ ﻫﺬه ا ﺎدة إﱃ اﻟﻔ ﻀﺎء ﻋـﲆ ﻫﻴﺌـﺔ ﻧﻔﺎﺛـﺎتﴎﻳﻌـﺔ وﺿـﻴﻘﺔ وﺗـﺪﻓﻘﺎت ﺧﺎرﺟﻴﺔ أوﺳﻊ وأﺑﻄﺄ وﻗﺪ اﺷﺘﺒﻪ ﻋﻠﻤﺎء اﻟﻔﻠﻚ ﻣﻨﺬ ﻓﱰة ﻃﻮﻳﻠﺔ ﰲ أن ﻫﺬه اﻟﻌﻤﻠﻴـﺔ ﺗﺘﺸـﻜﻞ وﺗُﺪﻓﻊ ﺑﻔﻌﻞ ﻣﺠﺎﻻت ﻣﻐﻨﺎﻃﻴﺴـﻴﺔ ﻣﻠﺘﻮﻳـﺔ ﻧﻮﻓﻤﺒﺮ - ﺩﻳﺴﻤﺒﺮ 2 0 2 6