The Distance of the Galaxies by D. W. Dewhirst Ph.D. ,of the Observatories,
University of Cambridge
One of the great advances in astronomy -comparable with those made by Copernicus and Galileo-was the demonstration, in the 1920s, of the vast scale of the universe. For the next quarter of a century astronomers supposed they knew the distance of the galaxies with some accuracy.
Now it seems that these distances have been greatly underestimated. Dr. Dewhirst, who has recently returned from visits to observatories in the U.S.A. and in the Southern hemisphere, discusses our present knowledge of this problem.
Repeated on Saturday at 9.10 (Home)

Introduced by Roy Hay
Dr. John Colhoun , Reader In Mycology and Plant Pathology. Queen's University, Belfast, deals with the diseases of stored apples
Graham Thomas of Woking, Surrey, talks about flowers that give colour to the garden during the winter

A weekly magazine
Arranged and introduced by Bill Hartley
Teenage Motoring-Learning to drive while still at school: a North Midlands experiment
The Insurance Consultant: A further examination of your Proposal Form Running In: Geoffrey Hancock surveys the latest recommendations of car manufacturers
The Weather: A round-up of advice on seasonal motoring problems
This week's motoring news and other items of topical interest
Edited by H. Saunders-Jacobs