The long flight to Mars and the even longer orbiting time of a precisely trackable spacecraft will enable scientists to refine the accuracy of our data bank on true distances across the solar system, the exact shape of the planet Mars, and possible anomalies in its gravitational field caused by mass concentrations (mascons).

His strong skin was of the Norse snow-fed pallor that no sun ever tanned, no adolescence ever blotched.

How was the party? Out of sight, man!

Like the activities of British Railways Research Department, developing, testing and modifying diesel locomotives before their acceptance for service is another behind-the-scenes activity which is a closed book to most passengers and to many railwaymen.