Introduction to active galaxies

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Learn about active galaxies and their different types in this free course. Understand the role of active galactic nucleus and its energy source.

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The field of active galaxies is recognised as one of increasing importance. But how do we know there are different kinds of galaxy? What are active galaxies? How are they powered? This free course, Introduction to active galaxies, examines the different types of active galaxies and looks at the crucial role of the active galactic nucleus and the energy source at its heart.

Course learning outcomes

After studying this course, you should be able to:

Explain how and why the optical spectrum of an active or starburst galaxy differs from that of a normal galaxy

Explain how and why the broadband spectrum of an active or starburst galaxy differs from that of a normal galaxy

Describe briefly the observed features of starburst galaxies and the four main classes of active galaxies (quasars, radio galaxies, Seyfert galaxies and blazars)

Understand the evidence that indicates the presence of a compact active galactic nucleus (AGN) in active galaxies

Explain why an AGN should emit broad lines, narrow forbidden lines and continuous radiation.

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    Introduction to active galaxies
    Introduction to active galaxies
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