Serious students of Mars, says French Astronomer Gerard de Vaucouleurs (in a new book, The Planet Mars; Macmillan, $2), wish that laymenand some astronomersdidn't spend so much time debating the "canals" of Mars. Do the canals exist, and if so, were they built by intelligent Martians? "This great quarrel about the canals," says De Vaucouleurs, "has brought much discredit upon the study of the planet." It would be better, he thinks, to forget the canals and the Martians for a while and concentrate on studying Mars objectively with science's brand-new instruments and methods.
Dust & Vegetation. In layman's language, De Vaucouleurs tells...