{
  "id": "mercury",
  "name": "Mercury",
  "type": "Terrestrial planet",
  "order_from_sun": 1,
  "mass_earths": 0.055,
  "radius_km": 2440,
  "moons": 0,
  "orbital_period_days": 88.0,
  "day_length_hours": 4222.6,
  "mean_temp_c": 167,
  "has_rings": false,
  "url": "https://gratisapi.com/api/planets/mercury"
}