NASAのインスタグラム(nasa) - 8月30日 01時14分

Top of the world!
These turbulent clouds are on top of the world at Saturn. Our Cassini spacecraft captured this view of Saturn’s north pole on April 26 – the day it began its Grand Finale – as it approached the planet for its first daring dive through the gap between the planet and its rings.
Although the pole is still bathed in sunlight at present, northern summer solstice on Saturn occurred on May 24, bringing the maximum solar illumination to the north polar region. Now the Sun begins its slow descent in the northern sky, which eventually will plunge the north pole into Earth-years of darkness.
After almost 20 years at Saturn, our Cassini mission is expectedly coming to an end on Sept. 15. Hear from mission experts today, Aug. 29 at 2 p.m. EDT on nasa.gov/live.
Credit: NASA/JPL-Caltech/Space Science Institute
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