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What's new in AstroGrav 3.0.3:
- Editing Improvements:
- The Edit / Edit Object..., Edit / Add Object..., and Edit / Add Family... commands have been improved to leave the position and velocity of the parent family's barycenter unchanged. In earlier versions of AstroGrav, it was the position and velocity of the parent object itself that was left unchanged, and this improvement results in much smaller changes to the parent's orbital elements after editing. In cases where there is no change of mass, the changes to the parent's orbital elements are now entirely eliminated.
- The Edit / Calculate Orbits... command has been added to give you a choice of two different ways of calculating orbital elements. One option is calculate orbital elements relative to the parent object only, and the other option is calculate orbital elements relative to the barycenter of all inferior objects. The difference between these two options is fully explained in the documentation.
- A bug has been fixed that caused AstroGrav to crash when an eccentricity of exactly one was entered into the object editor. The handling of near-parabolic cases has also been improved.
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Easy to use astronomy software solution that simulates the solar systemTo help you get started, AstroGrav comes with a collection of sample simulations covering different subjects: abstract systems, the exoplanet systems, the solar system, or space missions. Within the AstroGrav’s main window, you will be able to preview the simulations, and analyze the data.
Of course, you will also be able to create your own simulations by defining new objects in the Table window: after editing the appropriate parameters, simply open a New View window in order to run the simulation and visualize the effects.
Run experiments involving astronomical bodies in a solar system simulatorThe application comes with extensive details about the solar system, including more than 100.000 background stars. At the same time, it provides support for different coordinate grids and allows you to visualize the objects from any Earth location, in planetarium view mode.
However, AstroGrav is also able to calculate the trajectories, orbits, or gravitational interactions of various user defined objects. You have the option to edit over 30 different parameters and take simulations steps that vary from thousands of years to a single second. As a result, you can easily run your own tests and monitor how the solar system evolves in time.
Powerful simulation tool that can help you run tests using the solar system as your environmentAstroGrav offers you the possibility to visualize the celestial bodies in planetarium style, while running various simulations involving user defined objects. Since the app is able to calculate both the trajectories and interactions, you will be able to see how the solar system evolves in time, taking into consideration your modifications.
AstroGrav was reviewed by Iulia Ivan, last updated on February 13th, 2015
Runs on: Mac OS X 10.5 or later (Universal Binary)
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