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Ringside Seats Show Saturn's Gaps

One of Saturn's many moons, Tethys, gleams brightly and offers a peek from between the planet's A and F rings, in an image released October 13.The space between the two rings is known as the Keeler gap, and another smaller moon (not pictured), Daphnis, keeps the area clear of dust and ice. (See "Saturn Moon Harbors Ocean, Raising Possibility of Life.")—By Jane J. Lee, photo gallery by Sherry L. Brukbacher

Photograph by NASA/JPL-Caltech/Space Science Institute

Week's Best Space Pictures: Clusters Form, Opportunity Pans, and Orion Is Assembled

Galaxy clusters give up secrets, a Mars rover takes a panorama, and the Orion spacecraft takes a step closer to completion in this week's best space pictures.

Published October 19, 2014