According to analysis of data collected by NASA's Juno spacecraft, Jupiter may have been smacked head-on by an embryonic planet 10 times Earth's mass not long after being formed, which had lasting effects on the Jovian core.
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Jupiter, a gas giant planet covered in thick red, brown, yellow and white clouds, boasts a diameter of about 89,000 miles (1,43,000 km).
Interior models based on Juno data indicated Jupiter has a large "diluted" core representing about 5 to 15 % of the planet's mass comprised rocky and icy material unexpectedly mixed with light elements like hydrogen and helium.
Computer models indicated that a head-on collision with a protoplanet - a planet in its formative stages - of roughly 10 Earth masses would have broken apart Jupiter's dense core and mixed light and heavy elements, explaining Juno's findings.
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