Antares, the brightest star of Scorpius, peeks through a gap in the rings of Saturn in this view from the Cassini spacecraft. Scientists watch stars through the rings to help map the structure of the rings. From here on Earth, Antares appears near the almost-full Moon on the nights of June 5 and 5. It shines bright orange, so it is hard to miss even through the Moon's glare. [NASA/JPL/SSI]
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