Free Astronomy Magazine May-June 2023 ARABIC VERSION

MAY-JUNE 2023 D                                          A rare view of the entirety of the SN 185 remnant by NOIRLab − Charles Blue raped around the outer edges of this star-filled image are wispy tendrils that appear to be flying away from a central point, like the tattered remains of a burst balloon. These cloud-like fea- tures are thought to be the glowing remains of a supernova that was witnessed by Chinese astronomers in the year 185 C.E. When it ap- peared, this baffling addition to the night sky was referred to as a ‘guest star’ by ancient astronomers. It re- mained visible to the naked eye for about eight months before fading from view. This historical supernova, which astronomers now refer to as SN 185, occurred more than 8000 ﻣﻨﻈﺮ ﻧﺎدرﻟ ﺎﻣﻞ ﻘﺎ ﺎ اﻟﻤﺴﺘﻌﺮ اﻷﻋﻈﻢ SN 185 : ﻘﻠﻢ ﺗﺸﺎرﻟﺰ ﻟﻮ - ) ﻣﺨﺘ ﻧﻮﻳﺮﻻب ( ﺣــﻮل اﻟﺤــﻮاف اﻟﺨﺎرﺟﻴــﺔ ﻟﻬــﺬه اﻟﺼﻮرة ا ﻠﻴﺌﺔ ﺑﺎﻟﻨﺠﻮم ﻋﺒﺎرة ﻋـﻦ ﻣﺤـﻼق ﻫﺶ ﻳﺒﺪو وﻛﺄﻧﻪ ﻳﻄـ ﺑﻌﻴـﺪًا ﻋـﻦ ﻧﻘﻄـﺔ ﻣﺮﻛﺰﻳﺔ ﻣﺜﻞ اﻟﺒﻘﺎﻳﺎ ا ﻤﺰﻗﺔ ﻟﺒﺎﻟﻮن ﻣﺘﻔﺠـﺮ . ﻳُﻌﺘﻘﺪ أن ﻫﺬه اﻷﺷـﻜﺎل اﻟﺸـﺒﻴﻬﺔ ﺑـﺎﻟﻐﻴﻮم ـــــ ﻫﻲ اﻟﺒﻘﺎﻳﺎ ا ﺘﻮﻫﺠﺔ ﺴﺘﻌﺮ أﻋﻈﻢ ﺷـﺎﻫﺪه اﻟﻔﻠﻜﻴﻮن اﻟﺼ ﻴﻨﻴﻮن ﰲ ﻋـﺎم ١٨٥ . م ﻋﻨـﺪﻣﺎ ﻇﻬﺮت ﻫﺬه اﻟﺒﻘﺎﻳﺎ ﺗﻤـﺖ اﻹﺷـﺎرة إﱃ ﻫـﺬه اﻹﺿﺎﻓﺔ ا ﺤ ة إﱃ ﺳﻤﺎء اﻟﻠﻴﻞ ﺑﺎﺳﻢ اﻟﻨﺠﻢ " اﻟﻀﻴﻒ " ﻣﻦ ﻗﺒﻞ ﻋﻠﻤﺎء اﻟﻔﻠﻚ اﻟﻘﺪﻣﺎء . ﻇـﻞ ــــــ ﻣﺮﺋﻴﺎً ﺑﺎﻟﻌ ا ﺠﺮدة ﺪة ﺛﻤﺎﻧﻴﺔ أﺷﻬﺮ ﻗﺒـﻞ أن ﻳﺘﻼﳽ ﻋﻦ اﻷﻧﻈﺎر . ﺣﺪث ﻫـﺬا ا ﺴـﺘﻌﺮ اﻷﻋﻈﻢ اﻟﺘﺎرﻳﺨﻲ اﻟـﺬي ﻳﺸـ إﻟﻴـﻪ ﻋﻠﻤـﺎء اﻟﻔﻠﻚ اﻵن ﺑﺎﺳﻢ SN 185 ﻋﲆ ﺑﻌﺪ أﻛﺜﺮ ﻣـﻦ ٨٠٠٠ ﺳﻨﺔ ﺿﻮﺋﻴ ﺔ ﺑﺎﺗﺠﺎه اﻟﻔﺎ ﻗﻨﻄـﻮروس ــ - ﻣﺎﻳﻮ ﻳﻮﻧﻴﻮ 2023 ﺗﻠﺘﻒ