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flag Jupiter was twice as large with a much stronger magnetic field early in the solar system, study reveals.

flag A new study in Nature Astronomy shows that Jupiter was twice its current size and had a magnetic field 50 times stronger about 3.8 million years after the solar system formed. flag Researchers from Caltech and the University of Michigan used the orbits of moons Amalthea and Thebe to determine Jupiter's early evolution, supporting theories that gas giants grow by accumulating dust and rocks before gathering gas. flag This finding offers insights into the early solar system and planet formation.

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