Free Astronomy Magazine March-April 2023 ARABIC VERSION

Pair of black holes dine together in nearby galaxy merger by ALMA Observatory hile studying a nearby pair of merging galaxies using the Atacama Large Millimeter/submillimeter Array (ALMA) scientists discovered two supermassive black holes growing imultaneously near the center of the newly coalescing galaxy. These super-hungry giants are the closest together that scientists have ever observed in multiple wavelengths. What’s more, the new research re- veals that binary black holes and the W ﺛﻨــــﺎﺋﻲﻣــــﻦ اﻟﺜﻘــــﻮب اﻟﺴــــﻮداء ﺘﻌ ﺸﺎن ﻣﻌﺎً ﻧﺎء أث اﻟﻘﻴﺎم ﺑ ﺪراﺳﺔ زوج ﻗﺮﻳﺐ ﻣﻦ ا ﺠﺮات ا ﻨﺪﻣﺠﺔ ﺑﺎﺳﺘﺨﺪام ﻣﺼﻔﻮﻓﺔ ﻣﺮﺻﺪ أﺗﺎﻛﺎﻣﺎ ا ﻠﻴﻤﱰي : ﻘﻠﻢ ﻣﺮﺻﺪ أﻟﻤﺎ ا ﻠﻴﻤﱰﻳ / ﺔ ﺗﺤﺖ ا ﻠﻴﻤﱰﻳـﺔ أ ـﺎ ) ( اﻛﺘﺸـﻒ اﻟﻌﻠﻤﺎء ﺛﻘﺒ أﺳﻮدﻳﻦ ﻓﺎﺋﻖ اﻟﻜﺘﻠﺔ ﻳﻨﻤﻮان ﰲ ﻧﻔـﺲ اﻟﻮﻗـﺖ ﺑـﺎﻟﻘﺮب ﻣـﻦ ﻣﺮﻛــﺰ ا ﺠـﺮة ا ﻠﺘﺼﻘﺔ ﺣﺪﻳﺜًﺎ . ﻫﺬه اﻟﻌﻤﺎﻟﻘﺔ اﻟﺠﻴﺎع ﻟﻠﻐﺎﻳﺔ ﻫﻢ ـــــــ ﻫﻢ اﻷﻗﺮب اﻟﺘﻲ رﺻﺪﻫﺎ اﻟﻌﻠﻤﺎء ﻋﲆ اﻹﻃـﻼق ﰲ أﻃ ﻮال ﻣﻮﺟﻴﺔ ﻣﺘﻌﺪدة . ﻋـﻼوة ﻋـﲆ ذﻟـﻚ ، ﻳﻜﺸﻒ اﻟﺒﺤ ﺚ اﻟﺠﺪﻳـﺪ أن اﻟﺜﻘـﻮب اﻟﺴـﻮداء اﻟﺜﻨﺎﺋﻴـﺔ وﻋﻤﻠﻴـﺎت اﻧـﺪﻣﺎج ا ﺠـﺮات اﻟﺘ ـﻲ ﻣﺎرس أﺑﺮﻳﻞ 2023 ء أﺛﻨﺎ