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Before Saturn’s Limb

30 Jul 2017, 17:37 UTC
Before Saturn’s Limb
(200 words excerpt, click title or image to see full post)

NASA dixit:
“August 13, 2010. Jets of water ice particles spew from Saturn’s moon Enceladus in this image obtained by NASA’s Cassini spacecraft. A crescent of the moon appears dimly illuminated in front of the bright limb of Saturn. This view looks toward the night side of Saturn, which occupies the lower half of the image. Enceladus, in the center of the image, is closer to the spacecraft than the planet is in this view. Sunlight scatters through the planet’s atmosphere and forms the bright diagonal line running from the left to right of the image. Lit terrain seen on Enceladus (504 kilometers, 313 miles across) is on the leading hemisphere of the moon. North on Enceladus is up. The jets erupting from the south polar region appear faint here, but can be seen at the bottom of the crescent of the moon.
The image was taken in visible light with the Cassini spacecraft wide-angle camera. The view was acquired at a distance of approximately 61,000 kilometers (38,000 miles) from Enceladus and at a sun-Enceladus-spacecraft, or phase, angle of 155 degrees. Image scale is 4 kilometers (2 miles) per pixel.”
“After almost 20 years in space, NASA’s Cassini spacecraft begins ...

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