# 12 billion years old, this interstellar comet is older than our Solar System

> One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was quickly recognised as…

- **Source:** [Theconversation](https://theconversation.com/12-billion-years-old-this-interstellar-comet-is-older-than-our-solar-system-285702?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a39b5d96b55a462508ff291)
- **Published:** 2026-06-22
- **Category:** Science
- **Tags:** #galaxy
- **Canonical:** http://localhost:4321/a/6a39b5d96b55a462508ff291

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