async function json() {
  // const response = await fetch(url);
  // if (!response.ok) throw new Error(`fetch failed: ${response.status}`);
  // return await response.json();
  return [
    {"name": "Sputnik 1", "year": 2020, "y": 1},
    {"name": "Apollo 11", "year": 2021, "y": 2},
    {"name": "Viking 1 and 2", "year": 2022, "y": 4},
    {"name": "Space Shuttle Columbia", "year": 2023, "y": 8},
    {"name": "Hubble Space Telescope", "year": 2024, "y": 16},
    {"name": "ISS Construction", "year": 2025, "y": 32}
  ];
}



const graph = await json();

process.stdout.write(JSON.stringify(graph));