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HubbleSite Hubble Discovers New Moons Orbiting Saturn

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Space Telescope Science

Astronomers have announced the discovery of at least two, and possibly as many as four, new moons orbiting the giant planet Saturn. This discovery was based upon Hubble telescope images that were taken when Saturn's rings were tilted edge-on to Earth.

Two of the satellites seen by Hubble are in orbits similar to those of Atlas and Prometheus, a pair of moons discovered in 1980 by the Voyager 1 spacecraft. Additional Hubble observations of Saturn will provide more images that can be used to determine whether two of the four satellites detected by Hubble are truly new or not. This four-picture sequence shows one of the new moons discovered by Hubble. Saturn appears as a bright white disk at far right, and the edge-on rings extend diagonally to the upper left.

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