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4.5 Kepler's Laws - 2nd

1) Title
Kepler's Laws - 2nd
2) Button functions
Show/hide labels Switches the names of solar system objects on and off.
Show/hide orbits Switches the orbits (orbital paths) of planets satellites, and comets on and off.
Change scale Switches display of the celestial body between actual size and magnified size.
Show Halley/Mercury Switches the displayed celestial body between Mercury and Halley's comet.
<< Month/sec Reverses time one month per second. Clicking continuously accelerates the speed.
< Day/sec Reverses time one day per second. Clicking continuously accelerates the speed.
[] Stop Stops time.
> Day/sec Forwards time one day per second. Clicking continuously accelerates the speed.
>> Month/sec Forwards time one month per second. Clicking continuously accelerates the speed.
* Click the button (initialization button) to show the view of the orbit of Mercury from the top at 20:00 LT for the current date.
* Pressing a button to forward or reverse time (e.g. >>Month/sec) continuously more than two times accelerates the speed.