4 Pole

  • November 2019
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‫ﻧﺨﺴﺘﻴﻦ ﺳﺘﺎرﻩ داراي ﭼﻬﺎر ﻗﻄﺐ ﻣﻐﻨﺎﻃﻴﺴﻲ ﺷﻨﺎﺳﺎﻳﻲ ﺷﺪ‬

‫‪Page 1 of 1‬‬

‫ﻧﺨﺴﺘﻴﻦ ﺳﺘﺎرﻩ داراي ﭼﻬﺎر ﻗﻄﺐ ﻣﻐﻨﺎﻃﻴﺴﻲ ﺷﻨﺎﺳﺎﻳﻲ ﺷﺪ‬ ‫ﺗﻬﺮان‪،‬اﻳﺮﻧﺎ ‪٨۵/١٠/٢١‬‬ ‫ﻋﻠﻤﻲ‪.‬ﺧﺎرﺟﻲ‪.‬ﻧﺠﻮم‪.‬ﺳﺘﺎرﻩ‪.‬ﻗﻄﺐ‪.‬‬ ‫درﺣﺎﻟﻲ آﻪ ﺳﺘﺎرﮔﺎن و ﺳﻴﺎرات ﻣﻌﻤﻮﻻ داراي ﻳﻚ ﻗﻄﺐ ﺷﻤﺎل و ﻳﻚ ﻗﻄﺐ ﺟﻨﻮب ﻣﻐﻨﺎﻃﻴﺴﻲ هﺴﺘﻨﺪ‪ ،‬ﺳﺘﺎرﻩﺷﻨﺎﺳﺎن ﺑﻪ‬ ‫ﺗﺎزﮔﻲ ﻣﻮﻓﻖ ﺑﻪ ﺷﻨﺎﺳﺎﻳﻲ ﺳﺘﺎرﻩ ﻧﻮﺗﺮوﻧﻲ ﺷﺪﻩاﻧﺪ آﻪ اﺣﺘﻤﺎﻻ ﭼﻬﺎر ﻗﻄﺐ ﻣﻐﻨﺎﻃﻴﺴﻲ ﻣﺠﺰا دارد‪.‬‬ ‫ﺑﻪ ﮔﺰارش ﺳﺎﻳﺖ اﻳﻨﺘﺮﻧﺘﻲ "ﺑﻲﺑﻲﺳﻲﻧﻴﻮز"‪ ،‬ﺳﺘﺎرﻩهﺎي ﻧﻮﺗﺮوﻧﻲ ﺑﻘﺎﻳﺎي ﺳﺘﺎرﻩهﺎي ﻋﻈﻴﻤﻲ هﺴﺘﻨﺪ آﻪ در اﻧﻔﺠﺎرهﺎي‬ ‫ﻣﻮﺳﻮم ﺑﻪ "ﺳﻮﭘﺮﻧﻮا" ﺑﻪ ﭘﺎﻳﺎن ﻋﻤﺮ ﺧﻮد رﺳﻴﺪﻩاﻧﺪ‪ .‬ﺑﺮﺧﻲ از ﺳﺘﺎرﻩهﺎي ﻧﻮﺗﺮوﻧﻲ در ﻗﻄﺒﻬﺎي ﻣﻐﻨﺎﻃﻴﺴﻲ ﺧﻮد‪ ،‬ﭘﺎﻟﺴﻬﺎي‬ ‫رادﻳﻮﻳﻲ ﻗﺪرﺗﻤﻨﺪي ﻣﻨﺘﺸﺮ ﻣﻲآﻨﻨﺪ و ﺑﻪ هﻤﻴﻦ دﻟﻴﻞ ﺑﺪاﻧﻬﺎ "ﭘﺎﻟﺴﺎر" ﮔﻔﺘﻪ ﻣﻲﺷﻮد‪.‬‬ ‫هﻢاآﻨﻮن ﻣﺤﻘﻘﺎن رﺻﺪﺧﺎﻧﻪ "ﺁرﺳﻴﺒﻮ" در "ﭘﻮرﺗﻮرﻳﻜﻮ" ﻣﻮﻓﻖ ﺑﻪ ﺷﻨﺎﺳﺎﻳﻲ ﺳﺘﺎرﻩ ﻧﻮﺗﺮوﻧﻲ ﺷﺪﻩاﻧﺪ آﻪ ﭘﺎﻟﺴﻬﺎي رادﻳﻮﻳﻲ ﻣﻨﺘﺸﺮ‬ ‫ﺷﺪﻩ از ﺁن ﻧﺸﺎن ﻣﻲدهﺪ ﻣﻴﺪان ﻣﻐﻨﺎﻃﻴﺴﻲ اﻳﻦ ﺳﺘﺎرﻩ اﺣﺘﻤﺎﻻ ﻣﺘﺎﺛﺮ از ﭼﻬﺎر ﻗﻄﺐ ﻣﻐﻨﺎﻃﻴﺴﻲ اﺳﺖ آﻪ اﮔﺮ اﻳﻦ ﻣﻄﻠﺐ ﺛﺎﺑﺖ‬ ‫ﺷﻮد‪ ،‬اﻳﻦ ﺳﺘﺎرﻩ ﻧﺨﺴﺘﻴﻦ ﺟﺴﻢ ﺁﺳﻤﺎﻧﻲ ﺷﻨﺎﺳﺎﻳﻲ ﺷﺪﻩ در ﺟﻬﺎن ﺑﺎ ﭼﻬﺎر ﻗﻄﺐ ﻣﺠﺰا اﺳﺖ‪.‬‬ ‫ﺑﻪ ﻃﻮر ﻣﻌﻤﻮل ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﭼﺮﺧﺶ وﺿﻌﻲ ﺳﺘﺎرﻩهﺎي ﻧﻮﺗﺮوﻧﻲ‪ ،‬ﺑﺴﺘﻪ ﺑﺪﻳﻨﻜﻪ در هﺮ ﻟﺤﻈﻪ ﻳﻚ ﻳﺎ دو ﻗﻄﺐ ﺁﻧﻬﺎ ﺑﻪ ﺳﻮي زﻣﻴﻦ‬ ‫ﻗﺮار ﮔﺮﻓﺘﻪ ﺑﺎﺷﻨﺪ‪ ،‬ﺳﺘﺎرﻩﺷﻨﺎﺳﺎن ﻣﻲﺗﻮاﻧﻨﺪ ﻳﻚ و ﻳﺎ هﺮ دو ﭘﺎﻟﺲ ﻣﻨﺘﺸﺮ ﺷﺪﻩ از ﺳﺘﺎرﻩ را ﻣﺸﺎهﺪﻩ آﻨﻨﺪ‪.‬‬ ‫ﻣﻌﻤﻮﻻ ﭘﺎﻟﺴﻬﺎي ﻣﺮﺑﻮط ﺑﻪ ﻗﻄﺐ ﺷﻤﺎل و ﺟﻨﻮب هﺮ ﺳﺘﺎرﻩ ﻧﻮﺗﺮوﻧﻲ وﻳﮋﮔﻲهﺎي ﻳﻜﺴﺎﻧﻲ دارﻧﺪ اﻣﺎ ﺳﺘﺎرﻩﺷﻨﺎﺳﺎن رﺻﺪﺧﺎﻧﻪ‬ ‫"ﺁرﺳﻴﺒﻮ" ﺑﻪ ﺗﺎزﮔﻲ ﺳﺘﺎرﻩ ﻧﻮﺗﺮوﻧﻲ را در "ﺳﺤﺎﺑﻲ ﺧﺮﭼﻨﮓ")‪ (Crab Nubula‬ﺷﻨﺎﺳﺎﻳﻲ آﺮدﻩاﻧﺪ آﻪ دو ﭘﺎﻟﺲ ﻣﻨﺘﺸﺮ ﺷﺪﻩ از ﺁن‬ ‫آﻪ ﺑﻪ زﻣﻴﻦ ﻣﻲرﺳﻨﺪ‪ ،‬ﺑﺎ ﻳﻜﺪﻳﮕﺮ ﻣﺘﻔﺎوﺗﻨﺪ‪.‬‬ ‫اﻳﻦ ﺑﺪان ﻣﻌﻨﺎﺳﺖ آﻪ اﻳﻦ دو ﭘﺎﻟﺲ ﺑﻪ ﻗﻄﺒﻬﺎي ﺷﻤﺎل و ﺟﻨﻮب ﺳﺘﺎرﻩ ﺗﻌﻠﻖ ﻧﺪارﻧﺪ و از ﺁﻧﺠﺎ آﻪ ﻗﻄﺒﻬﺎي ﻣﻐﻨﺎﻃﻴﺴﻲ هﻤﻮارﻩ در‬ ‫ﺳﺘﺎرﻩهﺎ ﺑﻪ ﺷﻜﻞ زوج هﺴﺘﻨﺪ‪ ،‬ﺑﻨﺎﺑﺮاﻳﻦ درﻳﺎﻓﺖ دو ﭘﺎﻟﺲ ﻣﺘﻔﺎوت از ﻳﻚ ﺳﺘﺎرﻩ ﻧﺸﺎن ﻣﻲدهﺪ دو ﻗﻄﺐ دﻳﮕﺮ ﻧﻴﺰ در ﻃﺮف دﻳﮕﺮ‬ ‫ﺳﺘﺎرﻩ آﻪ رو ﺑﻪ زﻣﻴﻦ ﻧﻴﺴﺖ‪ ،‬وﺟﻮد دارد و درﻧﺘﻴﺠﻪ ﺳﺘﺎرﻩ در ﻣﺠﻤﻮع داراي ﭼﻬﺎر ﻗﻄﺐ ﻣﻐﻨﺎﻃﻴﺴﻲ ﻣﺠﺰا اﺳﺖ و از ﻣﻴﺪان‬ ‫ﻣﻐﻨﺎﻃﻴﺴﻲ ﭘﻴﭽﻴﺪﻩاي ﺑﺮﺧﻮردار اﺳﺖ‪.‬‬ ‫ﺟﺰﻳﻴﺎت ﻣﺮﺑﻮط ﺑﻪ آﺸﻒ اﺧﻴﺮ در ‪٢٠٩‬اﻣﻴﻦ هﻤﺎﻳﺶ اﻧﺠﻤﻦ ﺳﺘﺎرﻩﺷﻨﺎﺳﻲ ﺁﻣﺮﻳﻜﺎ در ﺷﻬﺮ ﺳﻴﺎﺗﻞ ﻣﻄﺮح ﺷﺪﻩ اﺳﺖ‪.‬‬ ‫‪١۵٩٨‬‬ ‫‪ <--‬ﺧﺎرﺟﻲ‪.‬ﻧﺠﻮم‪.‬ﺳﺘﺎرﻩ‪.‬ﻗﻄﺐ‪.‬اﻳﺮﻧﺎ‪.‬‬‫‪ALL RIGHTS RESERVED.‬‬ ‫] ‪[ Print‬‬

‫‪http://www.irna.ir/index2.php?option=com_news&task=print&code=8510210205200... 2007/01/12‬‬

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