{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreihzsodhg2p3yxt6uz3agfdjvjddqhhwer2vmuj574m7y2jaubyo3a",
    "uri": "at://did:plc:lpgt43utmdtifoyu2eqoexbz/app.bsky.feed.post/3mgvjrgxu3zz2"
  },
  "path": "/26/03/0048551-presolar-grains-microscop",
  "publishedAt": "2026-03-12T22:20:30.000Z",
  "site": "https://kottke.org",
  "tags": [
    "may help determine how our solar system was formed"
  ],
  "textContent": "“Presolar grains” (microscopic crystals that are older than the Sun) harvested from meteorites may help determine how our solar system was formed.",
  "title": "“Presolar grains” (microscopic crystals that...",
  "updatedAt": "2026-03-12T22:20:30.000Z"
}