Hubble Space Telescope captures 'spokes' moving across Saturn's rings

NASA's Hubble Space Telescope has captured "spokes" moving across Saturn's rings, a phenomenon that indicates the start of the planet's autumnal equinox in its northern hemisphere, CNN reports. The equinox will occur on May 6, 2025.

Saturn with two smudges on left side.

The two gray smudges on the left side of the rings are the spokes, a phenomenon still unexplained
(Image credit: NASA, ESA, and Amy Simon (NASA-GSFC); Image Processing: Alyssa Pagan (STScI))

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