In this section you find an ASTRON guided "tour" of radio astronomy as well as a full set of external links for starting your own "journey".

• Radio astronomy tour

Through six steps you explore fundamental issues about radio astronomy and learn about visible and invisible light, radio wavelengths and what radio astronomers actually "see".

What is radio astronomy?

Why observe at radio wavelengths?

How does a radio telescope work?

radio telescope: single dish

radio telescope: interferometry

Radio telescopes in the world

What do the radio astronomers see?

• Want to know more about astronomy?

But of course there is much more to know about astronomy in general. Here you can find some links to interesting websites that can help answer any questions you may have.