esh = new THREE.Mesh(sphereGeometry, sunMaterial);
  sunMesh.scale.set(5, 5, 5);
  solarSystem.add(sunMesh);
  objects.push(sunMesh);

  const earthOrbit = new THREE.Object3D();
  earthOrbit.position.x = 10;
  solarSystem.add(earthOrbit);
  objects.push(earthOrbit);

  const earthMaterial = new THREE.MeshPhongMaterial({color: 0x2233FF, emissive: 0x112244});
  const earthMesh = new THREE.Mesh(sphereGeometry, earthMaterial);
  earthOrbit.add(earthMesh);
  objects.push(earthMesh);

  const moonOrbit = new THRE