Radio Astronomy – Listening to the Invisible Sky

Podcast: Talking Science · Stavros kinnas

Opublikowano: 2026-09-20

The night sky isn't only the pinpricks of starlight we see with our eyes — it's also quietly broadcasting on wavelengths we can't see at all, and for the last century a small community of scientists has been learning to listen. This episode traces radio astronomy from an accidental discovery of cosmic static at a telephone company, through the giant dishes and continent-spanning arrays used to hear it properly, to two of Australia's flagship instruments in the outback of Western Australia and New South Wales. You'll come away understanding what radio waves are and why they reveal things vi...