index.html

<html>
<head>
  <meta charset="UTF-8">
  <script language="javascript" type="text/javascript" src="libraries/p5.js"></script>
  <!-- uncomment lines below to include extra p5 libraries -->
  <script language="javascript" src="libraries/p5.dom.js"></script>
  <script language="javascript" src="libraries/p5.sound.js"></script>
  <script language="javascript" type="text/javascript" src="sketch.js"></script>
  <script language="javascript" type="text/javascript" src="sun.js"></script>
  <script language="javascript" type="text/javascript" src="planet.js"></script>
  <script language="javascript" type="text/javascript" src="disk_planet.js"></script>
  <script language="javascript" type="text/javascript" src="moon.js"></script>
  <script language="javascript" type="text/javascript" src="star.js"></script>
</head>
<body>
</body>
</html>