Orbit Animation Guide Hold
right click
and swirl mouse to rotate animation.
Left click an object and "=" button for a new center of rotation.
Left click "+" or "-" button to expand or
shrink the view
scale,
or -- with the "?" button --
orbit animation
speed or update increment.
Double click (or click any object and "Go") to destinations labelled.
See "?" button for Pause or Resume.
