Photo: NASA/JPL-Caltech/Michael Benson/Kinetikon Pictures
Benson calls the Cassini probe a model for 21st-century space exploration, and he has good reason to be impressed: The sturdy probe entered Saturn’s orbit in 2004, and today it’s still snapping pictures of the planet, its rings, and its moons. This image shows the planet’s rings edge on, with the moons Tethys to the left and Mimas to the right. Ring shadows fall across Saturn’s northern hemisphere.









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Eliza Strickland
Eliza Strickland is a senior editor at IEEE Spectrum, where she covers AI, biomedical engineering, and other topics. She holds a master’s degree in journalism from Columbia University.
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