{
  "id": 15878619,
  "title": "Mars’s Most Mysterious Cloud Might Be Defying Textbook Cloud Physics",
  "url": "https://urgent.news/2026/10/21/marss-most-mysterious-cloud-might-be-defying-textbook-cloud-physics",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-21T11:19:46.000Z",
  "source": {
    "name": "Universe Today",
    "slug": "universe-today",
    "url": "https://www.universetoday.com/articles/marss-most-mysterious-cloud-might-be-defying-textbook-cloud-physics"
  },
  "original_language": "en",
  "account": null,
  "summary": "It may not be as obvious, but just like Earth, Mars has seasons. And every day of every summer, an 1,800 kilometer long thin white cloud appears to the west of Arsia Mons, a 20 kilometer high extinct shield volcano. At least for a few hours, before it dissipates until it reappears the next morning. Scientists have known about this feature, which they call the Arsia Mons Elongated Cloud (AMEC),…",
  "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."
}