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AstroGrav (Mac) 1.6.1 - Software to simulate how objects move and interact under the force of gravity.

Details

Size: 3.648 MB
License: Shareware
OS: Mac OS X 10.2, Mac OS X 10.3, Mac OS X 10.4, Mac OS X 10.5
Developer:AstroGrav Astronomy Software (» more programs)
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Program system requirements: 500 MHz PowerPC G3 processor, Mac OS X 10.2 minimum, 128 MB RAM, 50 MB disk space

New in this version: Improved the 'Edit / Add Family...' command. Corrected a bug that could cause object collisions to sometimes not work correctly. Improved number displays. Corrected a bug that caused the horizontal scroll bar to never appear on new tables. Various minor bug fixes and improvements.

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Publisher's Description:

AstroGrav is an astronomy software program that allows you to simulate how astronomical objects move and interact under the force of gravity. It features superb interactive 3D graphics which allow you to move around within a many-body astronomical system, while watching how it evolves with the passage of time. A wide variety of sample files are provided, including Solar System, space mission, and abstract systems, and these enable you to experiment with the astronomy software without having to enter your own data. The comprehensive editing facilities allow you to either create your own astronomical systems, or to modify existing ones, and provide you with an almost endless scope for experimentation and investigation. AstroGrav calculates how astronomical objects move according to Newton's Law of Gravitation, and displays the results as they are calculated so that you can watch the system evolve as in a movie. AstroGrav is very accurate, dynamically calculates orbits as a system evolves, deals correctly with object collisions, and can cope simultaneously with objects on many different timescales. AstroGrav is available for both Mac and Windows, comes complete with a tutorial and full documentation, and you can download a fully functional 15 day trial version for evaluation.

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AstroGrav (Mac) Program Releases History

Software:	AstroGrav (Mac) 1.6
Update date:	2008-01-15 02:13:00
Release Notes:	Added 13 new keyboard commands for adjusting magnification and brightness and for controlling simulation evolution in full screen mode. Improved the 'Edit/Find...' command. Added the 'Help / Enter License...' command to allow easier license entry. Various minor bug fixes and improvements.
Software:	AstroGrav (Mac) 1.5
Update date:	2007-12-04 02:38:00
Release Notes:	Added an animated and interactive full screen mode. Added recently discovered objects to the Solar System sample simulations and changed their start date to 01/01/2008. Speeded up simulation evolution, tree display, and phase drawing. Various minor bug fixes and improvements.
Software:	AstroGrav (Mac) 1.4.3
Update date:	2007-09-21 03:57:00
Release Notes:	Positioned sample simulation windows to make better use of larger monitor resolutions. Corrected a bug that caused the wrong time unit to be used in some situations. Slightly speeded up simulation evolution. Julian dates are now displayed without exponents. Various minor bug fixes and improvements.
Software:	AstroGrav (Mac) 1.3.4
Update date:	0000-00-00 00:00:00
Release Notes:	Significantly speeded up simulation evolution. Improved the model window graphics by removing the 'edges' that could sometimes be seen on object auras. Various minor bug fixes and improvements.