The Sky at Night
Red Shift - or Red Herring?
Not Rated
S29 • E11 Oct 14, 1985How large is the universe? Astronomers measure the distances of very remote objects by using spectroscopes, but today there are some doubts as to whether the measurements are reliable. Two star-systems in the constellation of the Fishes appear to give very confusing results. Patrick Moore talks to Iain Nicolson about these new results and what they may mean.