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Two tiny moons lost among the rings of Saturn

8 October 2016 Astronomy Now

Two tiny moons of Saturn, almost lost amid the planet’s enormous rings, are seen orbiting in this Cassini probe image. Pan, visible within the Encke Gap near lower-right, is in the process of overtaking the slower Atlas, visible at upper-left.

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Dione: a moon of contrasts

22 August 2016 Astronomy Now

In this image from NASA’s Cassini spacecraft, Saturn’s moon Dione reveals its past via contrasts. The features visible here are a mixture of tectonics — the bright, linear features — and impact cratering — the round features, which are spread across the entire surface.

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Warp in the rings of Saturn

25 July 2016 Astronomy Now

In this image from NASA’s Cassini probe, Saturn’s A and F rings appear bizarrely warped where they intersect the planet’s limb, whose atmosphere acts here like a very big lens.

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A moon and stars at Saturn

23 July 2016 Astronomy Now

Numerous stars provide a serene background in this view of Saturn’s moon Enceladus captured by the Cassini spacecraft while the moon was in eclipse, within the ringed planet’s shadow.