Researchers have called for the public's help after an image appears to show an unidentified object slamming into Saturn.

Saturn is the sixth planet that orbits the Sun, positioned between Jupiter and Uranus at an average distance of just over 1.4 billion kilometers (about 886 million miles).

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Known primarily for its majestic system of rings, Saturn also holds the record for the most number of moons, with 145 officially recognized satellites compared with a measly 92 orbiting Jupiter.

A Cassini image of Saturn's moon Enceladus backlit by the sun shows a fountain-like spray of material erupting from the south polar region.

Insights from Cassini Saturn’s rings are largely comprised of ice, with just a small percentage belonging to the rocky dust created in space by broken asteroid fragments and micrometeoroids.

Saturn’s moon Enceladus drifts before the rings and the tiny moon Pandora in this view that NASA’s Cassini spacecraft captured on November 1, 2009.

Saturn’s core is a big, diffuse, rocky slushball There are still uncertainties, but data from the rings rules out a layered model.

Zipping around Saturn and its moons since 2004, Cassini has detected odd spirals in Saturn's rings and a surprising amount of geologic activity on its moons.

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