Stories by Robert B. Leighton

The remarkable pictures taken by Mariners 6 and 7 reveal a planet with features unlike those seen on the moon and also unlike those on the earth, including a polar cap evidently composed of dry ice

A telescope with a 62-inch plastic mirror has provided the first comprehensive survey of the night sky at infrared wavelengths. It has revealed some of the coolest celestial objects yet detected

How they were made and what they show is reviewed. The second of three articles on the remarkably successful Mariner mission