Free Astronomy Magazine July-August 2023 ARABIC VERSION

gions in the constellations of Orion, Ophiuchus, Chamaeleon, Corona Australis and Lupus. These regions are less than 1500 light-years away and so large that they span a huge area in the sky. The diameter of VIR- CAM’s field of view is as wide as three full Moons, which makes it uniquely suited to map these im- mensely big regions. The team obtained more than one million images over a period of five years. The individual images were then pieced together into the large ﻳﻮﻟﻴﻮ - ﺃﻏﺴﻄﺲ 2 0 2 3 ﺗُﻈﻬـﺮﻫــﺬﻩ اﻟﺼـﻮرة اﻟـــﺠﺮم IRAS 11051-7706 ـﺔ ا ﺮــﺎء ﻓــﻲ ﻮﻛ . ـﺪة ﻓــﻲ اﻟﺴـﺤﺐ ﺗﻮﻟـﺪ ﻧﺠــﻮم ﺟﺪ ﻧﺮاﻫـﺎ ﻫﻨـﺎ ـﺎر اﻟـ اﻟﻤﻠﻮﻧـﺔ ﻟﻠﻐـﺎز واﻟﻐ . ﺗﻜﺸـﻒ ارﺻـﺎد اﻷﺷـﻌﺔ ﺗﺤـﺖ اﻟـ ـ ﻤﺮاء اﻟﻤﻮﺟـﻮدة أﺳـﻔﻞ اﻟﺼـﻮرة ــﺎر ﻋــﺎدة ﻣـﺎ ﺗﺤﺠﺒﻬــﺎ ﺳــﺤﺐ اﻟﻐ ــﺪة ﻓــﻲﻣﻨــﺎﻃﻖ ﺗﺸــ ﻞ اﻟﻨﺠــﻮم اﻟــ ﻋــﻦ ﺗﻔﺎﺻـﻴﻞ ﺟﺪ . ﺗــﻢ إﻧﺘـﺎج اﻟﺼــﻮرة ﺎﺳﺘﺨﺪام اﻟﺒ ﺎ ﺗﻢ ﻤﻌﻬﺎ ﺑﻮاﺳﻄﺔ أداة ﻧﺎت اﻟ ﻓ ﺎم اﻟﻤﺘﺼﻠﺔ ﺘﻠﺴ ﻮب ﻓ ﺴﺘﺎ ﻓﻲﻣﺮﺻﺪ ﺎراﻧـﺎل اﻟﺘـﺎﺑﻊ ﻟ ﻠﻤﺮﺻـﺪ اﻷوروﺑـﻲ اﻟــﺠﻨﻮﺑﻲ ﻓـﻲ ﺗﺸـ ﻠﻲ . ﺗـﻢ إﺟـﺮاء اﻷرﺻـﺎد ﺠـﺰء ﻣـﻦ ﻣﺴـﺢ VISIONS واﻟـﺬ ــﺎر ــﺔ ﺗﺸــ ﻞ اﻟﻨﺠــﻮم ﻓــﻲﻫــﺬﻩ اﻟﻤﻨــﺎﻃﻖ اﻟﻤﻐﻄــﺎة ﺎﻟﻐ ﺳ ﺴــﻤﺢ ﻟﻌﻠﻤـﺎء اﻟﻔﻠــﻚ ﻔﻬـﻢ أﻓﻀــﻞ ﻟﻜ ﻔ . [ESO / Meingast et al.] اﻟﺠﻨﻮﺑﻲ ﰲ ﺗﺸﻴﲇ ﻟﻘﺪ . رﺻﺪ ا ﺴﺢ ا ﺴـﻤﻰ " ﻓﻴﺠﻴــﻮﻧﺰ " ﻣﻨــﺎﻃﻖ ﺗﺸــﻜﻞ اﻟﻨﺠــﻮم ﰲ اﻟﻜﻮﻛﺒــﺎت اﻟﻨﺠﻤﻴــﺔ اﻟﺠــﻮزاء واﻟﺤــﻮاء ــــــــ و اﻟﺤﺮﺑﺎء و اﻻﻛﻠﻴﻞ اﻟﺠﻨﻮﺑﻲ و اﻟـﺬﺋﺐ . ﺗﺒﻌـﺪ ﻫﺬه ا ﻨﺎﻃﻖ أﻗﻞ ﻣـﻦ 1500 ﺳـﻨﺔ ﺿـﻮﺋﻴﺔ وﻫﻲ ﻛﺒ ة ﺟﺪًا ﺑﺤﻴﺚ ﺗﻤﺘـﺪ ﻋـﲆ ﻣﺴـﺎﺣﺔ ــــ ـــ ﺷﺎﺳﻌﺔ ﰲ اﻟﺴﻤﺎء . ﻳﺒﻠﻎ ﻗﻄﺮ ﻣﺠـﺎل رؤﻳـﺔ أداة ﻓ ﻛﺎم )1.5 ( درﺟـﺔ ﻣـﺎ ﻳﻌـﺎدل ﺛﻼﺛـﺔ ﺑﺪور ﻣﺼﻄﻔﺔ ﺑﺠﺎﻧـﺐ ﺑﻌﻀـﻬﺎ ﻣﺎ ﻳﺠﻌﻠﻬـﺎ ﻣﻨﺎﺳﺒﺔ ﻟﺮﺳﻢ ﺧﺮاﺋﻂ ﻟﻬﺬه ا ﻨﺎﻃﻖ اﻟﻜﺒـ ة ﻟﻠﻐﺎﻳﺔ . ـــ