Introduction to active galaxies
Introduction to active galaxies

This free course is available to start right now. Review the full course description and key learning outcomes and create an account and enrol if you want a free statement of participation.

Free course

Introduction to active galaxies

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.

S282_2

Take your learning further

Making the decision to study can be a big step, which is why you'll want a trusted University. The Open University has 50 years’ experience delivering flexible learning and 170,000 students are studying with us right now. Take a look at all Open University courses.

If you are new to university level study, find out more about the types of qualifications we offer, including our entry level Access courses and Certificates.

Not ready for University study then browse over 900 free courses on OpenLearn and sign up to our newsletter to hear about new free courses as they are released.

Every year, thousands of students decide to study with The Open University. With over 120 qualifications, we’ve got the right course for you.

Request an Open University prospectus