Tag: solar system history
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A Tiny, Icy World Could Rewrite Our View of the Solar System’s Past
Unveiling a New Quiet Giant of the Outer Solar System In the far reaches beyond Neptune, a newly identified trans-Neptunian object (TNO) has researchers buzzing about what it might reveal about the early days of our solar system. While it may be small by planetary standards, its composition, orbit, and behavior hold the potential to…
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Liquid Water on an Asteroid Reveals a Billion-Year Solar Clue
A Billion-Year Secret Uncovered A remarkable discovery about the asteroid that gave rise to Ryugu challenges long‑standing ideas about when and where water could move within rocky bodies. Scientists analyzing tiny rock fragments returned by JAXA’s Hayabusa2 mission have found evidence that liquid water once percolated through Ryugu’s parent body, and that this activity occurred…