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英文字典中文字典相关资料:


  • Active galactic nucleus - Wikipedia
    An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars
  • What Are Active Galactic Nuclei? - Science@NASA
    Based on extensive evidence, active galactic nuclei, also commonly referred to as AGN, are now understood to be active supermassive black holes at the center of galaxies that are emitting jets and winds
  • Home - AGN International
    AGN International Ltd (and its regional affiliates; together "AGN") is a not-for-profit worldwide membership association of separate and independent accounting and advisory businesses
  • Active Galactic Nucleus - ESA Hubble
    An active galactic nucleus, or AGN, is an extremely bright central region of a galaxy that is dominated by the light emitted by dust and gas as it falls into a black hole
  • Active galactic nucleus (AGN) | Britannica
    Active galactic nucleus (AGN), small region at the centre of a galaxy that emits a prodigious amount of energy in the form of radio, optical, X-ray, or gamma radiation or high-speed particle jets
  • Our News - AGN
    As the world's leading resource for annual giving programs, AGN helps educational institutions develop sustainable sources of philanthropic support
  • AGN Definition Meaning - Merriam-Webster
    What does the abbreviation AGN stand for? Meaning: active galactic nucleus; active galactic nuclei
  • Active Galactic Nucleus - ESA Webb
    An active galactic nucleus, or AGN, is an extremely bright central region of a galaxy that is dominated by the light emitted by dust and gas as it falls into a black hole
  • Upcoming Events - AGN International
    August 2026 AGN Membership Benefits: How to Maximize Your Membership When: Aug 5, 2026 from 13:00 to 14:00 (ET)
  • American Grand National
    With the new year, we in the process of making exciting new changes for 2025 season The American Grand National and The True Grit 400 Races will be moving locations, to their permanent home, more location details to come AGN is family owned and operated We take pride in training the event birds





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