<ul><li>Jupiter was once more than double its current size with a magnetic field 50 times as strong, according to recent calculations based on its tiniest moons.</li><li>Research on two of Jupiter's smallest moons, Almathea and Thebe, helped estimate Jupiter's primordial stage 3.8 million years after the solar system's formation.</li><li>By analyzing Jupiter's moons and conservation of angular momentum, researchers determined that early Jupiter was 2 to 2.5 times larger than it is today.</li><li>The study not only enhances understanding of Jupiter but can also be applied to the evolution of other giant planets and the early phases of planet formation.</li></ul>

Jupiter was once twice as large as it is today

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