Astronomy › Section T · Galaxies and quasars › Topic T.6
Quasars
In 1963 a faint blue "star" turned out to be one of the most powerful objects in the universe, billions of light-years away. Quasars outshine whole galaxies from a region not much bigger than the Solar System.
In this topic
- Radio stars
- Schmidt's insight
- Worked example: the redshift of 3C 273
- Very large redshifts
- Worked example: a quasar at z = 3
- Are they really so far away?
- Staggering power
- Small size from flickering
- A family of active galaxies
- Common mistakes to avoid
- Key takeaways
This topic is part of Wuanberri Pro. Checking your access…