In May 2024, powerful solar activity triggered jaw-dropping northern lights much farther south than usual, turning the sky mesmerizing shades of pink, green and purple over wide areas of the planet. But on Jupiter,

Scientists looked at Jupiter’s massive auroras using the James Webb and Hubble Space Telescopes — and found a mystery they can’t fully explain.

The scientists also took images of Jupiter’s auroras with NASA’s Hubble Space Telescope at the same time Webb made its observations, capturing them in ultraviolet light. They uncovered a strange discrepancy between the two sets of data, the brightest light observed by Webb had no real counterpart in the Hubble images.