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    Today's Issue
    ¿µ¾î±³À°ÀÇ Á¤Á¡ À×±Û¸®½¬ 700ÀÔ´Ï´Ù.
     
    ¼îÅ· ÃֽŠ°úÇлó½Ä) Æ丣¹Ì ¹öºí Fermi Bubbles ¿¡ ´ëÇØ
    ÀÌ    ¸§     |     °ü¸®ÀÚ µî·ÏÀÏ     |     2022-09-30 Á¶    È¸     |     506
    ÀÌ    ¸§     |     °ü¸®ÀÚ Á¶    È¸     |     506
    µî·ÏÀÏ     |     2022-09-30

    ¼îÅ· ÃֽŠ°úÇлó½Ä) Æ丣¹Ì ¹öºí Fermi Bubbles ¿¡ ´ëÇØ

     

     

    2010³â¿¡ ¹ß°ßµÈ ¿ì¸® ÀºÇÏ¿¡ ÀÖ´Â °ÍÀ¸·Î. Æ丣¹Ì °¨¸¶¼± ¿ìÁÖ ¸Á¿ø°æÀÌ ¹ß°ßÇ߱⠶§¹®¿¡ Æ丣¹Ì °ÅÇ°À̶õ À̸§ÀÌ ºÙ°Ô µÇ¾ú½À´Ï´Ù. ÃÖ±Ù °úÇÐÀÚµéÀÌ ¸»ÇÏ´Â Æ丣¹Ì ¹öºí¿¡ ´ëÇÑ ¿¬±¸°á°ú´Â ±²ÀåÈ÷ Ãæ°ÝÀûÀÔ´Ï´Ù.

     

    2010³â ³ª»çNASA µ¿¿µ»ó - ±×¶§´Â Á¤Ã¼¸¦ ¸ô¶úÀ¸³ª..

     

     

    In 2010, astronomers working with the Fermi Gamma-ray Space Telescope announced the discovery of two giant blobs. 

    2010³â¿¡ Æ丣¹Ì °¨¸¶¼± ¿ìÁÖ ¸Á¿ø°æÀ¸·Î ÀÛ¾÷Çϴ õ¹®ÇÐÀÚ µéÀº µÎ °³ÀÇ °Å´ëÇÑ ºí·ÓÀ» ¹ß°ßÇß´Ù°í ¹ßÇ¥Çß½À´Ï´Ù. 

     

     

    These blobs were centered on the core of the Milky Way galaxy, but they extended above and below the plane of our galactic home for over 25,000 light-years. 

    ÀÌ ºí·ÓÀº ¿ì¸®ÀºÇÏÀÇ Á߽ɺο¡ ÀÖ¾úÁö¸¸ 25,000±¤³â ÀÌ»ó µ¿¾È ¿ì¸® ÀºÇÏ°èÀÇ Æò¸é À§¾Æ·¡·Î »¸¾î ÀÖ¾ú½À´Ï´Ù

     

     

    Their origins are still a mystery, but they are emitting copious amounts of high-energy radiation. 

    ±â¿øÀº ¿©ÀüÈ÷ ​​¹Ì½ºÅ͸®Áö¸¸,  ¾öû³­ ¾çÀÇ °í¿¡³ÊÁö ¹æ»ç¼±À» ¹æÃâÇÏ°í ÀÖ½À´Ï´Ù. 

     



     

     

    The Fermi bubbles were discovered in 2010, and were a huge surprise, quite literally.

    Æ丣¹Ì ¹öºíÀº 2010³â¿¡ ¹ß°ßµÇ¾úÀ¸¸ç ¸» ±×´ë·Î ¾öû³­ ³î¶ó¿òÀ̾ú½À´Ï´Ù. 

     

     

    They are gargantuan bubbles of high-energy gas emanating from the galactic center that extend above and below the galactic plane, for a total distance of 50,000 light-years, expanding at a rate of millions of miles an hour.

    ±×°ÍÀº ÀºÇÏ Á߽ɿ¡¼­ ¹æÃâµÇ´Â °Å´ëÇÑ °í¿¡³ÊÁö °¡½º °ÅÇ°À¸·Î, ÃÑ 50,000±¤³âÀÇ °Å¸®¿¡ °ÉÃÄ ÀºÇÏ°èÀÇ À§¾Æ·¡·Î »¸¾î ÀÖÀ¸¸ç ½Ã°£´ç ¼ö¹é¸¸ ¸¶ÀÏÀÇ ¼Óµµ·Î ÆØâÇÕ´Ï´Ù.

     



     

    Something Strange Is Happening in the Fermi Bubbles

    Æ丣¹Ì °ÅÇ°¿¡¼­ ÀÌ»óÇÑ ÀÏÀÌ ÀϾ°í ÀÖ½À´Ï´Ù

     

     

    Gargantuan 'Fermi bubbles' are the result of a 100,000-year-long black hole explosion, study suggests

    °Å´ëÇÑ 'Æ丣¹Ì °ÅÇ°'Àº 100,000³â µ¿¾È Áö¼ÓµÈ ºí·¢È¦ Æø¹ßÀÇ °á°ú¶ó°í ¿¬±¸´Â ½Ã»çÇÕ´Ï´Ù

     

     

    Now, in a new study published March 7 in the journal Nature Astronomy, researchers describe how they simulated the explosive history of the Fermi and eROSITA bubbles to determine exactly where, when and how they were created.

    3¿ù 7ÀÏ Nature Astronomy Àú³Î¿¡ ¹ßÇ¥µÈ »õ·Î¿î ¿¬±¸¿¡¼­, 

    ¿¬±¸¿øµéÀº Æ丣¹Ì ¹× eROSITA ¹öºíÀÇ Æø¹ß ¿ª»ç¸¦ ½Ã¹Ä·¹À̼ÇÇÏ¿© Á¤È®È÷ ¾îµð¼­, ¾ðÁ¦, ¾î¶»°Ô ¸¸µé¾îÁ³´ÂÁö ¼³¸íÇÕ´Ï´Ù. 

     

     

    Using data from both the gamma-ray and X-ray surveys that uncovered the mysterious structures, the study authors show that both sets of bubbles likely resulted from a lengthy outburst from the supermassive black hole at the center of our galaxy, beginning 2.6 million years ago.

    ½ÅºñÇÑ ±¸Á¶¸¦ ¹àÇô³½ °¨¸¶¼±°ú X¼± Á¶»çÀÇ µ¥ÀÌÅ͸¦ »ç¿ëÇÏ¿©, ¿¬±¸ ÀúÀÚµéÀº µÎ ¹öºí ¼¼Æ® ¸ðµÎ 260¸¸ ³âÀü¿¡ ½ÃÀÛµÈ ¿ì¸® ÀºÇÏ Á߽ɿ¡ ÀÖ´Â ÃÊ´ëÁú·® ºí·¢È¦·ÎºÎÅÍÀÇ ±ä Æø¹ß¿¡¼­ ºñ·ÔµÇ¾úÀ» °¡´É¼ºÀÌ ÀÖÀ½À» º¸¿©ÁÝ´Ï´Ù.

     

     

    "According to our estimate of the jet power required to inflate the Fermi/eROSITA bubbles, the galactic black hole had a very good appetite," lead study author Karen Yang, an assistant professor at the National Tsing Hua University in Taiwan, told Live Science. 

    ¿¬±¸ÀÇ ÁÖÀúÀÚÀÎ ´ë¸¸ ±¹¸³Ã»È­´ëÇб³ÀÇ Á¶±³¼öÀÎ Karen YangÀº "Fermi/eROSITA ¹öºíÀ» ÆØâ½ÃÅ°´Â µ¥ ÇÊ¿äÇÑ Á¦Æ® ÆÄ¿ö¿¡ ´ëÇÑ ¿ì¸®ÀÇ ÃßÁ¤¿¡ µû¸£¸é, ÀºÇÏ ºí·¢È¦Àº ¸Å¿ì ÁÁÀº ½Ä¿åÀ» °¡Áö°í ÀÖ¾ú´Ù"°í ¸»Çß½À´Ï´Ù.

     

     

    "It consumed materials of about 1,000 to 10,000 solar masses within a period of 100,000 years, beginning about 2.6 million years ago."

    "¾à 260¸¸ ³â ÀüºÎÅÍ ½ÃÀÛÇÏ¿© 10¸¸ ³âÀÇ ±â°£ µ¿¾È ¾à 1,000¿¡¼­ 10,000 žç Áú·®ÀÇ ¹°ÁúÀ» ¼ÒºñÇß½À´Ï´Ù."

     

     

    Áï 

    ¿ì¸®ÀºÇϸ¦ ºí·¢È¦ÀÌ ¸Ô°í ÀÖ´Ù´Â ... ¿¬±¸ °á°ú¿´½À´Ï´Ù

     

     

     

     



     
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