Neptune_2017

multiple images of Neptune

Images of Neptune taken during twilight observing revealed an extremely large bright storm system near Neptune’s equator (labeled ‘cloud complex’ in the upper figure), a region where astronomers have never seen a bright cloud. The center of the storm complex is ~9,000 km across, about 3/4 the size of Earth, or 1/3 of Neptune’s radius. The storm brightened considerably between June 26 and July 2, as noted in the logarithmic scale of the images taken on July 2. (N. Molter/I. De Pater, UC Berkeley/C. Alvarez, W. M. Keck Observatory)

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