Super-low-density worlds reveal how common planetary systems form

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one young star should help us understand how such systems form

SINSIN
Jan 7, 2026 - 22:00
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Super-low-density worlds reveal how common planetary systems form
Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one young star should help us understand how such systems form

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