Venera 15 - USSR Venus Orbiter - 5,000 kg was launched on June 2, 1983.
Venera 15 arrived at Venus on October 10, 1983. Its high-resolution imaging system produced images at 1-2 kilometers in resolution. Venera 15 and 16 produced a map of the northern hemisphere from the pole to 30°N.
Several hot spots were found, possibly caused by volcanic activity.
Wednesday, June 2, 2010
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