Reports

Mars: Radar Observations

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Science  24 Dec 1965:
Vol. 150, Issue 3704, pp. 1715-1717
DOI: 10.1126/science.150.3704.1715

Abstract

Radar studies of Mars indicate that certain areas are quite smooth. Rough, strongly reflecting regions have also been found, as well as poorly reflecting ones. Mars as a whole is significantly smoother to radiation of 12.5-centimeter wavelength than Venus.