Mars: Correlation of Optical and Radar Observations

See allHide authors and affiliations

Science  11 Apr 1969:
Vol. 164, Issue 3876, pp. 176-177
DOI: 10.1126/science.164.3876.176


A comparsion of recent photographic and radar data on Mars indicates a good positive correlation between dark areas and radar reflection peaks and also between cloudy "desert" areas and radar minima. The data may be taken as evidence that dark areas are, in general, relatively smooth whereas deserts are relatively rough.

Stay Connected to Science