# Alien comet’s chemistry unlike anything seen in our Solar System

> It’s not often that we get guests. So when the interstellar intruder 3I/ATLAS came zooming through our Solar System last year, it provided astronomers with a perfect opportunity to study a rock from another part of the…

- **Source:** [Refractor](https://refractor.io/space/alien-comet-chemistry-unlike-solar-system/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a3b4d91a6b20d93e4de1cd5)
- **Published:** 2026-06-24
- **Category:** Science
- **Tags:** #galaxy
- **Canonical:** http://localhost:4321/a/6a3b4d91a6b20d93e4de1cd5

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_GearOpen's distilled summary. The full original article is published at Refractor (source link above); GearOpen does not republish the source's full text._