AstroGrav (Mac) 1.9.4    

Author AstroGrav Astronomy Software License Shareware Price $59.00 OS Mac OS X Date Released December 10, 2011 Downloads 1268 Filesize 3.19 MB Language Dutch, English, French, German, Italian, Portuguese, Spanish Install Support Install and Uninstall Requirements PowerPC G4 / G5 or Intel processor, Mac OS X 10.4 minimum, 256 MB RAM, 100 MB disk space Keywords gravity, astronomy, astro, simulation, solar system, gravitation, newton, orbit, educational, astrophysics, animated, physics, science, math, space, interactive, exploration Your Rating   - click to rate

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AstroGrav is an astronomy software program that allows you to simulate how ... 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 ...

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AstroGrav (Mac) - Latest User Reviews

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AstroGrav (Mac) - The Latest Versions History

Version	Date Released	Status	Release Notes
AstroGrav (Mac) 1.9.4	Dec 10, 2011	Minor Update	Added the 'View/Show/Barycenter' and 'View/Show/Grayscale' commands. Made several improvements to the sample simulations. Corrected a fault that caused 'Evolve/Evolve To...' to evolve to the wrong time when the time step was changed during evolution. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.9.3	Oct 23, 2011	Minor Update	Changed the 'Units' and 'Notes' windows so that they can be left open indefinitely. Made several improvements to the sample simulations. Corrected a fault that could cause the significant digits of position and speed quantities to get reduced to 4. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.9.2	Jul 2, 2011	Minor Update	Added the display of a viewpoint's (x, y, z) coordinates to the status bar of a view window. Corrected a fault that could cause angles to be incorrectly formatted. Corrected a fault that prevented the 'File/Import...' and 'Edit/Paste' commands from working. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.9.1	Mar 31, 2011	Minor Update	Corrected a serious fault that made version 1.9 unusable for a small proportion of users. Added the symbols for elements (a, e, i, omega, etc) to the appropriate windows. Added separators to the lists of units in popup menus to separate units into groups. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.9	Mar 17, 2011	Major Update	Made several corrections to minor faults in the evolution algorithm, and improved performance by about 15 percent. Made many improvements to the sample simulations. Made many improvements to the way units are handled. Corrected a fault with table sorting. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.8.4	Oct 29, 2010	Minor Update	Many improvements to the sample simulations. Added a 'beep when finished' checkbox to the 'Evolve/Evolve To...' dialog. Corrected faults when displaying highly eccentric orbits. Improved the algorithm used to calculate the magnitude of a non-luminous body. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.8.3	Sep 1, 2010	Minor Update	Changed the way that columns are shown and hidden in a table. Added a new sample simulation illustrating the system of exoplanets orbiting the star HD 10180. Corrected a fault that could cause AstroGrav to crash on computers with Intel Core i7 processors. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.8.2	May 10, 2010	Minor Update	Greatly improved the way that orbits are calculated. Improved the handling of units by allowing the easy definition and use of a default selection of units. Made several improvements and corrections to the sample simulations. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.8.1	Dec 17, 2009	Minor Update	Speeded up displays of table and view windows. Ensured that a tool palette remains on screen when its owning window is moved, resized, or maximized. Added recent discoveries to the Solar System sample simulations and changed their start date to 01/01/2010. Various minor bug fixes and improvements.
AstroGrav (Mac) 1.8	Oct 21, 2009	Major Update	Added several new commands for manipulating model windows. Made improvements to the handling of date and time units. Made improvements to tool bars and added new tool palettes. Added new preferences for specifying the positions of tool bars and status bars. Various minor bug fixes and improvements.