{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreicckwmwu2ebhmhutdcvajvjfdotgvfmqnn6xd5v3ljp32l6ucvqe4",
    "uri": "at://did:plc:aj7wkiqt5fdikve32wzlr3dz/app.bsky.feed.post/3mgr2ui5nv6h2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreidgjkt44xipx7tmuzzr7qm3lmxogg3fd5io7oeeqlijjs5hir7sny"
    },
    "mimeType": "image/jpeg",
    "size": 113221
  },
  "path": "/earth/earth-observatory/a-most-unusual-lake/",
  "publishedAt": "2026-03-11T04:01:00.000Z",
  "site": "https://science.nasa.gov",
  "tags": [
    "Earth Observatory",
    "Astrobiology",
    "Ice & Glaciers",
    "Landsat 9",
    "Planetary Analogs",
    "Surface Water",
    "Water on Earth",
    "A Most Unusual Lake",
    "NASA Science"
  ],
  "textContent": "Lake Unter-See in Antarctica, sealed beneath thick ice, contains unusually high levels of dissolved oxygen and cone-shaped microbial reefs resembling some of Earth’s oldest fossils.\n\nThe post A Most Unusual Lake appeared first on NASA Science.",
  "title": "A Most Unusual Lake"
}