Large Brown Oval |
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This large brown oval could be an opening in the upper cloud deck where warmer cloud levels may exist. Features of this sort are not rare on Jupiter and have an average lifetime of one to two years. Above the feature is the pale orange North Temperate Belt, bounded on the south by the high-speed North Temperate Current with winds of 120 m/s (260 mi/hr). The range to Jupiter, on March 2, 1979 when this photograph was taken, was 4.0 million km (2.5 million mi).
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