Jupiter is smaller and flatter than textbooks claim
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- NASA’s Juno probe, orbiting Jupiter since 2016, has provided the most precise measurements of the gas giant’s size in half a century.
- New measurements show that Jupiter is smaller and flatter than previously stated in textbooks.
- Jupiter is the brightest of the outer planets and has been studied since antiquity; Galileo Galilei discovered its four large moons in 1610.
- Juno recently completed its 83rd orbit around Jupiter, delivering new data on its structure.