Free Astronomy Magazine November-December 2024 ARABIC VERSION

Universidad Andrés Bello in Chile, who led the overall project. This record-breaking map comprises 200,000 images taken by ESO’s VISTA ― the Visible and Infrared Survey Telescope for Astronomy. Lo- catedatESO’sParanalObservatory in Chile, the telescope’s main pur- poseistomaplargeareasofthe sky.TheteamusedVISTA’sinfrared camera VIRCAM, which can peer through the dust and gas that per- meates our galaxy. It is therefore able to see the radiation from the Milky Way’s most hidden places, opening a unique window onto our galactic surroundings. Thisgiganticdatasetcoversanarea of the sky equivalent to 8600 full moons,andcontainsabout10times more objects than a previous map released by the same team back in 2012. It includes newborn stars, whichareoftenembeddedindusty cocoons,andglobularclusters ― densegroupsofmillionsoftheold- eststarsintheMilkyWay.Observ- اﻻﻛﺘﺸﺎﻓﺎت ﻟﻘﺪ ﻏ ﻧـﺎ وﺟﻬـﺔ ﻧﻈﺮ ﺗﻨـﺎ اﱃ ﺗﻨﺎ ﻣﺠﺮ درب اﻟﺘﺒﺎﻧﺔ إﱃ اﻷﺑﺪ ." ﺗﺘﻜﻮن ﻫـﺬه اﻟﺨﺮﻳﻄﺔ اﻟﺘﻲ ﺣﻄﻤﺖ اﻷرﻗﺎم اﻟﻘﻴﺎﺳﻴﺔ ﻣﻦ 200,000 ﺻﻮرة اﻟﺘﻘﻄﻬﺎ ﺗﻠﺴﻜﻮب ا ﺴـﺢ ا ﺮﺋـﻲ واﻷﺷـﻌﺔ ﺗﺤــﺖ اﻟﺤﻤــﺮاء اﻟﺘ ـﺎﺑﻊ ﻟﻠﻤﺮﺻﺪ اﻷوروﺑﻲ اﻟﺠﻨﻮﺑﻲ . ﻳﻘﻊ ﺗﻠﺴـﻜﻮب ا ﺴﺢ ا ﺮﺋﻲ واﻷﺷﻌﺔ ﺗﺤﺖ اﻟﺤﻤﺮاء اﻟﺘﺎﺑﻊ ﻟﻠﻤﺮﺻــﺪ اﻷوروﺑــﻲ اﻟﺠﻨــﻮﺑﻲ ﰲ ﺗﺸــﻴﲇ واﻟ ﻐﺮض اﻟﺮﺋﻴﴘ ﻣﻦ ﻫﺬا اﻟﺘﻠﺴـﻜﻮب ﻫـﻮ واﻟﻐﺮض اﻟﺮﺋﻴﴘ ﻣﻦ ﻫﺬا اﻟﺘﻠﺴـﻜﻮب ﻫـﻮ رﺳﻢ ﺧﺮﻳﻄﺔ ﺴﺎﺣﺎت ﻛﺒ ة ﻣﻦ اﻟﺴﻤﺎء . اﺳـﺘﺨﺪم اﻟﻔﺮﻳـﻖ ﻛـﺎﻣ ا اﻷﺷـﻌﺔ ﺗﺤـﺖ اﻟﺤﻤﺮاء ( ﻓ ﻛﺎم ) اﻟﺘﺎﺑﻌﺔ ﻟﻠﻤﺮﺻﺪ اﻷوروﺑﻲ اﻟﺠﻨﻮﺑﻲ واﻟﺘﻲ ﻳﻤﻜﻨﻬﺎ اﻟﻨﻈﺮ ﻋـﱪ اﻟﻐﺒـﺎر واﻟﻐﺎز اﻟﺬي ﻳﺘﺨﻠﻞ ﻣﺠﺮﺗﻨـﺎ وﺑﺎﻟﺘـﺎﱄ ﻓﻬـﻲ ﻗﺎدرة ﻋﲆ رؤﻳﺔ اﻹﺷﻌﺎع ﻣﻦ أﻛﺜﺮ اﻷﻣـﺎﻛﻦ ﺧﻔﻴﺔ ﰲ ﻣﺠﺮ ﺗﻨﺎ ﻣﻤﺎ ﻳﻔـﺘﺢ ﻧﺎﻓـﺬة ﻓﺮﻳـﺪة ﻋﲆ ﻣﺤﻴﻄﻨﺎ ا ﺠﺮي . ﺧﻔﻴﺔ ﰲ ﻣﺠـﺮة درب اﻟﺘﺒﺎﻧـﺔ، ﻣﻤـﺎ ﻳﻔـﺘﺢ ﻋﲆ ﻣﺤﻴﻄﻨـﺎ ا ﺠـﺮي . ﺗﻐﻄـﻲ ﻣﺠﻤﻮﻋـﺔ اﻟﺒﻴﺎﻧﺎت اﻟﻀـﺨﻤﺔ ﻣﺴـﺎﺣﺔ ﻣـﻦ اﻟﺴـﻤﺎء ﺗﻌﺎدل 8600 اً ﻗﻤﺮ ﻣﻜـﺘﻤﻼً وﺗﺤﺘـﻮي ﻋـﲆ ﺣﻮاﱄ 10 أﺿﻌﺎف ﻋﺪد اﻷﺟـﺮام ﰲ ﺧﺮﻳﻄـﺔ ﺳﺎﺑﻘﺔ أﺻﺪرﻫﺎ ﻧﻔﺲ اﻟﻔﺮﻳﻖ ﰲ ﻋﺎم 2012 وﻫﻲ ﺗﺘﻀﻤﻦ ﻧﺠﻮﻣ ﺎً ﺣﺪﻳﺜﺔ اﻟﻮﻻدة ﺎ ﻣﺎ ﻏﺎﻟﺒ ﺗﻜﻮن داﺧﻞ ﻏﺒﺎرﻳﺔ ﴍاﻧﻖ وﻋﻨﺎﻗﻴﺪ ﻛﺮوﻳﺔ ﺗﺘﻜﻮن ﻣﻦ ﻣﺠﻤﻮﻋﺎت ﻛﺜﻴﻔـﺔ ﻣـﻦ ﻣﻼﻳـ اﻟﻨﺠﻮم اﻷﻗﺪم ﰲ ﻣﺠﺮة درب اﻟﺘ ل. ﺒﺎﻧﺔ أﺷﻌﺔ ﺗﺤﺖ اﻟﺤﻤـﺮاء اﻟﻘﺮﻳﺒـﺔ ( اﻟﺘـﺎﺑﻌﺘ ﻧﻮﻓﻤﺒﺮ - ﺩﻳﺴﻤﺒﺮ 2 0 2 4