The Sky at Night

Name: The Sky at Night S16E2 - X-Ray Stars
Uploaded: 1972-02-02
Description: The first X-ray source far out in space was detected nine years ago. Since then, 100 more have been found. But what are they? Patrick Moore talks to Professor Peter Willmore and Dr Kenneth Pounds about a recent successful British experiment to track down one of these mysterious sources by using rockets.