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Active Galactic Nuclei

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Transcript

  • 1. Active Galactic Nuclei Chase VanAuken
  • 2. What are AGN?
    • Active Galactic Nuclei are galaxies that release an incredible amount of energy
    • The core of an AGN releases more energy then most galaxies
  • 3. Why are AGN so Bright?
    • AGN are very bright because they are releasing so much energy
    • Where do AGN get so much energy?
  • 4. What is a Black Hole?
    • A black hole is a body in space with enormous mass and gravity so powerful that not even light can escape
  • 5. Super-massive Black Holes
    • It is widely believed that at the center of the core of an AGN galaxy is a super-massive black hole
    • These black holes can have a mass thousands of times greater than our sun
  • 6. How Does the Light Escape the Black Hole?
    • The black hole is feeding off the dense star filled galactic core
    • As the stars and gasses are drawn into the black hole part of the energy is released as X-Rays and Gamma Rays
  • 7. Quasars
    • Quasars are one type of AGN
    • They are thought to be the oldest galaxies in the universe
    • Quasars are extremely bright
    • Two other types of AGN galaxies are Blazars and Seyferts
  • 8. Why Study AGN?
    • The study of AGN can give us new insight into Black Holes
    • We can study ancient galaxies and learn about our own
    • Black Holes are thought to be similar to the original mass of matter that existed at the beginning of the universe
  • 9.