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HomeScienceNASA’s Juno dives into Jupiter’s wild winds and probes Io’s magma-filled crust
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NASA’s Juno dives into Jupiter’s wild winds and probes Io’s magma-filled crust

NASA’s Juno mission has gathered new data from Jupiter. This includes updates from the planet’s cloudy atmosphere and its volcanic moon, Io.

April 30, 2025 / 17:53 IST
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This composite image, derived from data collected in 2017 by the JIRAM instrument aboard NASA’s Juno, shows the central cyclone at Jupiter’s north pole and the eight cyclones that encircle it. Data from the mission indicates these storms are enduring features. (Image: NASA)

For years, we’ve stared at Jupiter and wondered. Now, thanks to NASA’s Juno spacecraft, some of those mysteries are becoming clearer. From fierce winds near its north pole to lava bubbling beneath Io’s surface, the gas giant continues to surprise.

Fierce Jet Streams and Cold Cyclones

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NASA’s Juno mission has gathered new data from Jupiter. This includes updates from the planet’s cloudy atmosphere and its volcanic moon, Io. The results were shared in Vienna on April 29 during the European Geosciences Union General Assembly.

Juno's findings show stronger jet streams circling Jupiter’s north. Scientists created a new model to study these winds. It also revealed Jupiter's cold polar cap is 11 degrees cooler. Winds there reach speeds of over 100 mph (161 kph).