NEW YORK: A vast, head-on collision between Jupiter and a still-forming planet within the early system, about 4.5 billion years agone, has left Jupiter's core less dense and additional extended that expected, say researchers. Even if this impact happened 4.5 billion years agone, "it might still take several, several billions of years for the serious material to settle backtrack into a dense core below the circumstances advised by the paper", aforementioned researchers UN agency analysed readings from NASA's Roman deity space vehicle. Astronomers from Rice University and China's solon University say their head-on impact state of affairs will make a case for Juno's antecedently puzzling attraction readings. "This is puzzling. It suggests that one thing happened that aroused the core, and that's wherever the enormous impact comes into play," aforementioned Rice physicist and study author Andrea Isella in an exceedingly paper revealed wit
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