Venus: A Map of Its Brightness Temperature

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Science  26 Apr 1963:
Vol. 140, Issue 3565, pp. 391-392
DOI: 10.1126/science.140.3565.391


The 200-inch Hale telescope has been used to make high-resolution maps of the brightness temperature of Venus at wavelengths 8 to 14 microns. Resolution of about 1/30 of the disk reveals a general symmetry about the plane of the orbit, no daynight temperature effects, and a transient temperature anomaly in the southern hemisphere.