Free Astronomy Magazine March-April 2024 ARABIC VERSION

ical observatories are critical to this process. Vera C. Rubin Observatory, jointly funded by the US National Science Foundation (NSF) and the US Department of Energy (DOE), will soon start producing one of the largest and most uniform astronom- ical data sets scientists have ever had, providing them with a treasure trove of information they can use to plan and prepare the next genera- tion of scientifically rewarding and ambitious space missions. Rubin Observatory is located in Chile and will begin science opera- tions in late 2025. Rubin Observa- ﻣﺠﻠﺔ FreeAstronomy ﺎﻟﻌﺮ ﺔ 49 ﻣﻨﻈﺮ ﻋﻨﺪ ﻏﺮوب اﻟﺸﻤﺲﻓﻲ ﻟﻤﺮﺻﺪ روﺑ د ﺴـــــــــــــــــــﻤ 2023 وﺳـــــــــــــــــــ ﻠﺘﻘﻂ اﻟﺘﻠﺴـــــــــــــــــــ ﻮب اﻟﻤﻮﺟﻮد ﻓﻲﻣﺮﺻﺪ روﺑ ﻳ ﻠﻎ ﻗﻄـﺮﻩ واﻟﺬ 8.4 ﻣــــ اً اﻟﻤــــﺰود ــــﺄﻋﻠﻰ ــــﺎﻣ ات اﻟ اﻟ ــــﺔ ﺮﻗﻤ دﻗــــــــﺔ ﻓــــــــﻲ اﻟﻌــــــــﺎﻟﻢ اً ﺻــــــــﻮر ﻫﺎﺋﻠــــــــﺔ وﻣﺬﻫﻠــــــــﺔ ﻟﺴـﻤﺎء ﻧﺼــﻒ اﻟﻜــﺮة اﻟــ ـ ﺗ ﺠﻨﻮﺑﻲ ﻐﻄــﻲ اﻟﺴــﻤﺎء ــﺎلٍ ــﻞ ﻀــﻊ ﻟ ﺄ ﻤﻠﻬـﺎ و ﺳــ ﻔﻌﻞ ﻣﺮﺻــﺪ روﺑــﻦ ذﻟـــــــﻚ ﻣـــــــﺮار اً اً وﺗﻜـــــــﺮار ﻟﻤـــــــﺪة 10 ﺳـــــــﻨﻮات ﻣﻤـــــــﺎ ﺳــــــﻴﺨﻠﻖ ﻣﻨﻈـــــــﺮ اً ﺎً ﻣﺘﺘﺎ ﻌـــــــ ـــــــﻮن ﻻ ﺸـــــــ ﮫ أي ﻟﻠ ﺷﻲء رأ ﻨﺎﻩ . ﺳﺎ ﻘﺎً اﻷرﺿﻴﺔ ﺗﻌﺘﱪ ﺑﺎﻟﻐﺔ اﻷﻫﻤﻴﺔ ﻟﻬﺬه اﻟﻌﻤﻠﻴﺔ . ﺳﻴﺒﺪأ ﻣﺮﺻﺪ ﻓ ا ﳼ روﺑ وﻫﻮ ﺑﺘﻤﻮﻳـﻞ ﻣﺸـﱰك ﺑـ ﻣﺆﺳﺴـﺔ اﻟﻌﻠـﻮم اﻟﻮﻃﻨﻴـﺔ اﻷﻣﺮﻳﻜﻴﺔ و وزارة اﻟﻄﺎﻗﺔ اﻷﻣﺮﻳﻜﻴﺔ ﺑﻬﺪف إﻧﺘﺎج واﺣﺪة ﻣﻦ أﻛﱪ ﻣﺠﻤﻮﻋـﺎت اﻟﺒﻴﺎﻧـﺎت اﻟﻌﻠﻤﻴﺔ اﻟﻔﻠﻜﻴﺔ اﻟﺘﻲ ﺣﺼﻞ ﻋﻠﻴﻬﺎ اﻟﻌﻠﻤـﺎء وأﻛﺜﺮﻫﺎ اﺗﺴﺎﻗًﺎ ﻋﲆ اﻹﻃﻼق ﻣﻤﺎ ﻳﻮﻓﺮ ﻟﻬﻢ ﻣـﻊ ﻛﻨـﺰ ﻣـﻦ ا ﻌﻠﻮﻣـﺎت اﻟﺘـﻲ ﻳﻤﻜـﻨﻬﻢ اﺳﺘﺨﺪاﻣﻬﺎ ﻟﺘﺨﻄﻴﻂ وإﻋﺪاد اﻟﺠﻴﻞ اﻟﻘـﺎدم ﻣﻦ ا ﻬﺎ م اﻟﻔﻀـﺎﺋﻴﺔ اﻟﻄﻤﻮﺣـﺔ وا ﺠﺰﻳـﺔ وذات اﻷﻫﻤﻴﺔ اﻟ .ﻴﺔ ﻌﻠﻤ ﻳﻮﺟـﺪ ﻣﺮﺻـﺪ روﺑ ـﻦ ﰲ ﺗﺸـﻴﲇ وﺳـﻴﺒﺪأ ﻋﻤﻠﻴﺎﺗﻪ اﻟﻌﻠﻤﻴﺔ ﰲ أواﺧﺮ ﻋﺎم .2025 - ﻣﺎﺭﺱ ﺃﺑﺮﻳﻞ 2 0 2 4