{
  "id": 7839749,
  "title": "For Trans-Neptunian Objects, The Past Is Written On Their Surface",
  "url": "https://urgent.news/2026/09/16/for-trans-neptunian-objects-the-past-is-written-on-their-surface",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-16T17:25:22.000Z",
  "source": {
    "name": "Universe Today",
    "slug": "universe-today",
    "url": "https://www.universetoday.com/articles/for-trans-neptunian-objects-the-past-is-written-on-their-surface"
  },
  "original_language": "en",
  "account": null,
  "summary": "Some Trans-Neptunian Objects (TNOs) formed closer to the Sun and migrated to the outer solar system, while others formed there originally. A new study finds that \"hot\" and \"cold\" origin TNOs can be distinguished not only by their orbits, but also by their surface color.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}