SEVERAL months ago thousands of people in the United States became panic stricken when they heard on the radio that men from Mars were invading the earth.
At that time Mars was 223,100,000 miles away, almost the greatest distance possible.
But since then the Red Planet has been drawing steadily nearer, until on July 27 it will be only 36,030,000 miles away, the closest approach for fifteen years past and for fifteen years to come. From a faint speck of light, Mars has grown until now it appears brighter than any star in the whole heavens—a glowing ball of fire low in the southern sky.
Gazing at our nearest neighbor in space” this summer, we cannot help wondering what kind of a world it is. What strange things would we find on it? How would we feel there?