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Fig. 2.7
Parabola on Venus formed by ejecta deposited above the
atmosphere in an initially circularly symmetrical pattern, then
winnowed eastwards by zonal winds. The inner region is bright due
to blockier ejecta: the dark parabola is poorly radar-backscattering,
requiring a thickness of several centimeters of fine ejecta. Source is
the crater Adivar at the center (8.93 ± N, 76.22 ± E, 30 km across).
Image Magellan Image F-MIDR-10N076, NASA
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