Physics — Planet Diameters

{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "Relative diameters of the planets (Earth = 1)",
  "data": {"values": [
    {"planet":"Mercury","diameter":0.38},
    {"planet":"Venus","diameter":0.95},
    {"planet":"Earth","diameter":1.0},
    {"planet":"Mars","diameter":0.53},
    {"planet":"Jupiter","diameter":11.2},
    {"planet":"Saturn","diameter":9.4},
    {"planet":"Uranus","diameter":4.0},
    {"planet":"Neptune","diameter":3.9}
  ]},
  "mark": "bar",
  "encoding": {
    "x": {"field":"planet","type":"nominal","title":"Planet"},
    "y": {"field":"diameter","type":"quantitative","title":"diameter (Earth = 1)"},
    "color": {"field":"planet","type":"nominal","legend":null}
  }
}