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ASTRONOM
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2191.ZIP
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GRAVITY.ZIP
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PDSL.DOC
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1990-12-11
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Gravity version 2.0 is a powerful tool designed to simulate the
motions of planetary bodies in space. You may specify the following
parameters for up to 16 bodies: Mass, Density, Initial position, and
Initial velocity. The bodies are then plotted as they move according
to the laws of gravitation. You can view any location in space at any
magnification. You can also watch the motion of a single planet via a
"tracking" feature. Set up systems and play "what if..." Elapsed
time is optionally displayed, and nearly every variable is available
for user adjustment.
This program was first designed as a tool for people to use to view
the laws of motion and of gravity in action. After the first release,
users said that the main capability they desired was to be able to
enter actual planetary systems into the simulator. Well, the reason no
one could figure out how to do it, was because "it just wasn't
possible." So here we have version 2.0, a much more powerful program
with a number of added functions.
System Requirements
===================
IBM compatible personal computer
Graphics display (Hercules, CGA, EGA, VGA, At&t, 8514/a)
Disk drive (Floppy or Hard)
At least 384K free memory after boot-up
A math coprocessor (80x87) will greatly increase the speed of the
running simulations.
GRAVITY EXE 212608 Main Gravity V2.0 Program File
GRAVITY DOC 28078 User Guide & Documentation for Gravity V2.0
GRAVITY HLP 6060 On-line help file for Gravity V2.0