Astronomy Picture of Day: Red Saturn# Astronomy - 天文
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Red Saturn
Credit: G. S. Orton & P. A. Yanamandra-Fisher (JPL), Keck Observatory, NASA
Explanation: This strange, false-color image of otherwise familiar planet Saturn shows temperature changes based on thermal infrared emission in the gas giant's atmosphere and rings. Recorded from the Keck I telescope on Mauna Kea, the sharp,
ground-based picture of Saturn's southern hemisphere is a mosaic of 35 images. Based on the effects of sunlight during the southern summer season, general warming trends
Credit: G. S. Orton & P. A. Yanamandra-Fisher (JPL), Keck Observatory, NASA
Explanation: This strange, false-color image of otherwise familiar planet Saturn shows temperature changes based on thermal infrared emission in the gas giant's atmosphere and rings. Recorded from the Keck I telescope on Mauna Kea, the sharp,
ground-based picture of Saturn's southern hemisphere is a mosaic of 35 images. Based on the effects of sunlight during the southern summer season, general warming trends