Get a planet

{
  "id": 1,
  "name": "Mars",
  "description": "The red planet",
  "type": "terrestrial",
  "habitabilityIndex": 0.68,
  "physicalProperties": {
    "mass": 0.107,
    "radius": 0.532,
    "gravity": 0.378,
    "temperature": {
      "min": 130,
      "max": 308,
      "average": 210
    }
  },
  "atmosphere": [
    {
      "compound": "CO2",
      "percentage": 95.3
    }
  ],
  "discoveredAt": "1610-01-07T00:00:00Z",
  "image": "https://cdn.scalar.com/photos/mars.jpg",
  "satellites": [
    {
      "name": "Phobos",
      "diameter": 22.2
    }
  ],
  "creator": {
    "id": 1,
    "name": "Marc"
  },
  "tags": [
    "solar-system",
    "rocky",
    "explored"
  ],
  "lastUpdated": "2024-01-15T14:30:00Z",
  "successCallbackUrl": "https://example.com/webhook",
  "failureCallbackUrl": "https://example.com/webhook"
}

{
  "type": "https://example.com/errors/not-found",
  "title": "Not Found",
  "status": 404,
  "detail": "The resource you are trying to access does not exist."
}