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  • Active Galaxies and Quasars
    Provides an introduction to galaxies and quasars. Includes an FAQ, quizzes, and links.
    imagine.gsfc.nasa.gov/docs/science/know_l1/active_galaxies.html
  • Bill Keel's WWW Gallery - Active Galaxies and Quasars
    Quasars and Active Galactic Nuclei
    www.astr.ua.edu/keel/agn
  • Frequently Asked Questions About Quasars
    Part of an FAQ site that evolved from an exchange of e-mail messages with middle school science students.
    www.phys.vt.edu/~jhs/faq/quasars.html
  • Laser Stars - Quasars
    Quasars are not black holes, they are laser stars within our galaxy.
    laserstars.org/glossary/quasar.html
  • NASA - What is the Ultimate Fate of the Universe?
    Explains the two possible fates for the universe envisioned by cosmologists.
    map.gsfc.nasa.gov/m_uni/uni_101firstobj.html
  • Hubble Surveys The "Homes" Of Quasars
    Contains press release about the impact of quasars within various galaxies. Includes photos. (November 19, 1996)
    ubblesite.org/newscenter/newsdesk/archive/releases/1996/35
  • Active Galaxies and Quasars - Introduction
    Of the two types of Active Galactic Nuclei (AGN) which emit gamma rays, Seyfert ... An artists concept of an active galactic nuclei. Quasars ...
    imagine.gsfc.nasa.gov/docs/.../know_l1/active_galaxies.html
  • Bill Keel's WWW Gallery - Active Galaxies and Quasars
    Quasars and Active Galactic Nuclei ... provides an introduction to the whole subject of active galactic nuclei. ... The evolution of quasars with cosmic time ...
    www.astr.ua.edu/keel/agn
  • Active galactic nucleus - Wikipedia, the free encyclopedia
    (Redirected from Active galactic nuclei) Jump to: navigation, search ... Unified Models for Active Galactic Nuclei and Quasars" ...
    en.wikipedia.org/wiki/Active_galactic_nuclei
  • APOD Index - Miscellaneous: Quasars
    Editor's choices for the most educational Astronomy Pictures of the Day about quasars: ... The nearest quasars are now known to be supermassive black holes in ...
    antwrp.gsfc.nasa.gov/apod/quasars.html
  • HEASARC: Active Galactic Nuclei
    Active Galactic Nuclei. What's on This Page. Images. Spectra. Light Curves ... Chandra images of Quasars & Active Galaxies. Images. Model for Radio-loud AGN ...
    heasarc.gsfc.nasa.gov/docs/objects/agn/agn.html
  • Imagine the Universe!: Active Galaxies and Quasars
    Information about Seyferts, quasars, and blazars. ... Active Galactic Nuclei observed at high (>100 MeV) energies form a subclass ...
    imagine.gsfc.nasa.gov/docs/.../know_l2/active_galaxies.html
  • Amazon.com: Quasars and Active Galactic Nuclei: An ...
    Amazon.com: Quasars and Active Galactic Nuclei: An Introduction (9780521479899): Ajit K. Kembhavi, ... account of quasars and active galactic nuclei (AGN) ...
    amazon.com/exec/obidos/.../0521479894/ref=nosim/weisstein-20
  • Active Galactic Nuclei
    ... Active Galactic Nuclei ... galaxies, known as "active galactic nuclei" (AGN), the nucleus ... Active Galaxies and Quasars. Search for an Image: (Enter the ...
    heasarc.gsfc.nasa.gov/docs/objects/agn/agntext.html
  • Chandra X-Ray Observatory: Quasars & Active Galaxies
    Describes the general properties of these powerful phenomena located at ... an Active Galaxy and its black hole is called an "Active Galactic Nucleus" or AGN. ...
    chandra.harvard.edu/xray_sources/quasars.html
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