To get past Earth’s x-ray absorbing atmosphere, Giacconi and his colleagues send up a rocket loaded with Geiger counters and make the surprising discovery of an x-ray source outside our Solar System. Giacconi is considered the father of x-ray astronomy, and his work led to the development of satellite telescopes for observing x-ray emissions from black holes and other cosmic sources.
Giacconi talks about his discovery:
Carolin Crawford’s lecture talks about how to use x-rays to discover the universe:
