![]() Stellarium runs on all major operating systems, and in all cases, the rendered views are almost indistinguishable from what would be seen through a telescope, binoculars, or with unaided vision. You can also use it to see what the sky looks like at any time in the past, present, or future, and from anywhere on Earth. Stellarium is a planetarium program that keeps track of the motions and positions of stars, planets, comets, and other objects. While there are hundreds of planetarium software suites available, Stellarium is the only free software that is also used in commercial planetaria all over the world today. In fact, almost any situation in which gravity is the dominant force can be simulated accurately.ĪstroGrav is available for both Mac and Windows, and a free, but fully functional trial in several languages is available for download. Comprehensive editing capabilities that allow for the manual insertion of additional objects, or the importation of any of several hundred thousand comets and asteroids.Īpart from the solar system, you can also explore the gravitational effects of exoplanet systems, the collision of globular star clusters, or even watch the evolution of planetary systems from accretion discs.Astronomical, metric, and imperial measurement units.Ecliptic, equatorial, galactic, and horizontal celestial coordinate grids.Simulation time steps that can be set to fractions of a second, to several thousand years.Extensive tabular data with more than 30 editable fields for each object selected. ![]()
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