Oct 22 1999
From The Space Library
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(New page: NASA released an image of Jupiter's volcanic moon Io, captured at the closest range ever accomplished. The image, which NASA's spacecraft Galileo took during a flyby...)
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NASA released an image of Jupiter's volcanic moon Io, captured at the closest range ever accomplished. The image, which NASA's spacecraft Galileo took during a flyby of the moon on 10 October, showed a lava field near the center of an erupting volcano named Pillan, with visible new lava flows from its volcanic center. To capture most of the new images of Io, Galileo had used a fast camera mode, in which the camera preprocesses the image, averaging the brightness in its adjacent parts. However, Io's radiation had disrupted the process, degrading the quality of the images. Radiation had not affected images, including the newly released image of Pillan, taken in other camera modes. Galileo Project Manager James K. Erickson remarked that Galileo would not use the fast camera mode during the next Io flyby.
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