Très simple et très pratique
       pour se ballader de jour comme de nuit,
                        parmis nos étoiles adorées:      Tester le Sky_Mode 

 <input onclick="showSky()" value="Go to Sky" type="button"> 

<script type="text/javascript">
  // -------------------------------------------------------------  
    function showSky() {
  ge.getOptions().setMapType(ge.MAP_TYPE_SKY);
 
  setTimeout(function() {
    // Zoom in on a nebula.
    var oldFlyToSpeed = ge.getOptions().getFlyToSpeed();
    ge.getOptions().setFlyToSpeed(.2);  // Slow down the camera flyTo speed.
    var lookAt = ge.getView().copyAsLookAt(ge.ALTITUDE_RELATIVE_TO_GROUND);
    lookAt.set(41.28509187215, -169.2448684551622, 0, 
               ge.ALTITUDE_RELATIVE_TO_GROUND, 262.87, 0, 162401);
    // Also try: 
    //   lookAt.set(-59.65189337195337, -18.799770300376053, 0, 
    //              ge.ALTITUDE_RELATIVE_TO_GROUND, 0, 0, 36817);
    ge.getView().setAbstractView(lookAt);
    ge.getOptions().setFlyToSpeed(oldFlyToSpeed);
  }, 1000);  // Start the zoom-in after one second.
}
 
 
  // -------------------------------------------------------------  
 </script>