Jupiter; diameter the longest, spin the fastest, and have the highest number of moons. Other planets in the solar system would look like side characters in comparison. What more could a planet want? How about the largest and brightest aurora? Jupiter's auroras are a spectacular sight to see from earth. But they're more than just beautiful. More than 10 Earth can fit inside them.

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Source: https://www.nasa.gov/feature/jpl/jupiter-s-aurora-presents-a-powerful-mystery