var LUNAR_DATA = [
   {
      "name":"Luna 2",
      "x":0,
      "y":29.1,
      "year": 1959,
      "country": "Russia",
   },
   {
      "name":"Ranger 4",
      "x":-130.7,
      "y":-15.52,
      "year": 1962,
      "country": "USA",
   },
   {
      "name":"Ranger 6",
      "x":21.5,
      "y":9.4,
      "year": 1964,
      "country": "USA",
   },
   {
      "name":"Ranger 7",
      "x":-20.6,
      "y":-10.63,
      "year": 1964,
      "country": "USA",
   },
   {
      "name":"Ranger 8",
      "x":24.61,
      "y":2.72,
      "year": 1965,
      "country": "USA",
   },
   {
      "name":"Ranger 9",
      "x":-2.37,
      "y":-12.83,
      "year": 1965,
      "country": "USA",
   },
   {
      "name":"Luna 5",
      "x":-8,
      "y":-31,
      "year": 1965,
      "country": "Russia",
   },
   {
      "name":"Luna 7",
      "x":-47.8,
      "y":9.8,
      "year": 1965,
      "country": "Russia",
   },
   {
      "name":"Luna 8",
      "x":-62,
      "y":9.6,
      "year": 1965,
      "country": "Russia",
   },
   {
      "name":"Luna 9",
      "x":-64.37,
      "y":7.13,
      "year": 1966,
      "country": "Russia",
   },
   {
      "name":"Surveyor 1",
      "x":-43.22,
      "y":-2.45,
      "year": 1966,
      "country": "USA",
   },
   {
      "name":"Lunar Orbiter 1",
      "x":161,
      "y":7,
      "year": 1966,
      "country": "USA",
   },
   {
      "name":"Surveyor 2",
      "x":-11,
      "y":-4,
      "year": 1966,
      "country": "Russia",
   },
   {
      "name":"Lunar Orbiter 2",
      "x":-119.1,
      "y":3,
      "year": 1966,
      "country": "USA",
   },
   {
      "name":"Luna 13",
      "x":62.05,
      "y":18.866,
      "year": 1966,
      "country": "Russia",
   },
   {
      "name":"Lunar Orbiter 3",
      "x":-97.7,
      "y":14.3,
      "year": 1967,
      "country": "USA",
   },
   {
      "name":"Surveyor 3",
      "x":-23.34,
      "y":-2.94,
      "year": 1967,
      "country": "USA",
   },
   {
      "name":"Lunar Orbiter 4",
      "x":-26,
      "y":0,
      "year": 1967,
      "country": "USA",
   },
   {
      "name":"Surveyor 4",
      "x":-1.39,
      "y":0.45,
      "year": 1967,
      "country": "USA",
   },
   {
      "name":"Lunar Orbiter 5",
      "x":-83,
      "y":-2.79,
      "year": 1967,
      "country": "USA",
   },
   {
      "name":"Surveyor 5",
      "x":25.25,
      "y":1.42,
      "year": 1967,
      "country": "USA",
   },
   {
      "name":"Surveyor 6",
      "x":-1.33,
      "y":0.42,
      "year": 1967,
      "country": "USA",
   },
   {
      "name":"Surveyor 7",
      "x":-11.43,
      "y":-40.88,
      "year": 1968,
      "country": "USA",
   },
   {
      "name":"Luna 15",
      "x":60,
      "y":17,
      "year": 1969,
      "country": "Russia",
   },
   {
      "name":"Luna 16",
      "x":56.3,
      "y":-0.683,
      "year": 1970,
      "country": "Russia",
   },
   {
      "name":"Luna 17 / Lunokhod 1",
      "x":-35,
      "y":38.3,
      "year": 1970,
      "country": "Russia",
   },
   {
      "name":"Luna 18",
      "x":56.5,
      "y":3.57,
      "year": 1971,
      "country": "Russia",
   },
   {
      "name":"Luna 20",
      "x":56.55,
      "y":3.53,
      "year": 1972,
      "country": "Russia",
   },
   {
      "name":"Luna 21 / Lunokhod 2",
      "x":30.27,
      "y":25.5,
      "year": 1973,
      "country": "Russia",
   },
   {
      "name":"Luna 23",
      "x":62,
      "y":12,
      "year": 1974,
      "country": "Russia",
   },
   {
      "name":"Luna 24",
      "x":62.2,
      "y":12.75,
      "year": 1976,
      "country": "Russia",
   },
   {
      "name":"Apollo 11",
      "x":23.470721,
      "y":0.655925,
      "year": 1969,
      "country": "USA",
      "manned": true,
   },
   {
      "name":"Apollo 12",
      "x":-23.4215746678,
      "y":-3.00903727405,
      "year": 1969,
      "country": "USA",
      "manned": true,
   },
   {
      "name":"Apollo 14",
      "x":-17.5080728653,
      "y":-3.6006414905,
      "year": 1971,
      "country": "USA",
      "manned": true,
   },
   {
      "name":"Apollo 15",
      "x":3.6364812593,
      "y":26.1075606228,
      "year": 1971,
      "country": "USA",
      "manned": true,
   },
   {
      "name":"Apollo 16",
      "x":15.4835863437,
      "y":-8.97666787869,
      "year": 1972,
      "country": "USA",
      "manned": true,
   },
   {
      "name":"Apollo 17",
      "x":30.7676066874,
      "y":20.1743655963,
      "year": 1972,
      "country": "USA",
      "manned": true,
   }
];
