NASA’s Cassini Spacecraft Zooms in on Saturn’s A Ring

Cassini Spacecraft Zooms in on Saturn's A Ring

This newly released Cassini image gives us a closer look at Saturn’s A ring.

NASA’s Cassini spacecraft zoomed in on Saturn’s A ring, revealing narrow, detailed structures that get even finer as the cameras’ resolution increases. Even at this level of detail, it is still not fine enough to resolve the individual particles that make up the ring.

High-resolution images like this help scientists map the fine structure of Saturn’s rings. Features less than a half a mile (one kilometer) in size are resolvable here. But the particles in the A ring typically range in size from several meters across down to centimeters, making them still far too small to see individually here.

This view looks toward the sunlit side of the rings from about 38 degrees above the ring plane. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Jan. 9, 2017.

The view was obtained at a distance of approximately 70,000 miles (113,000 kilometers) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 11 degrees. Image scale is 2,300 feet (690 meters) per pixel.

Credit: NASA/JPL-Caltech/Space Science Institute

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