Hubble and Webb Reveal Tiny Worlds That Remember the Solar System’s Past

Hubble and James Webb have revealed surprising clues about tiny icy worlds at the edge of the Solar System.

Studying objects as small as 5 kilometers across, astronomers found that these distant bodies preserve ancient colors and compositions while showing far fewer small objects than current models predict. The findings offer a rare glimpse into the original building blocks of the planets.

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This episode includes AI-generated content.