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The Bolshoi simulation is the most accurate cosmological simulation of the evolution of the large-scale structure of the universe yet made ("bolshoi" is the Russian word for "great" or "grand").  The first two of a series of research papers describing Bolshoi and its implications have been accepted for publication in the Astrophysical Journal. The first data release of Bolshoi outputs, including output from Bolshoi and also the BigBolshoi or MultiDark simulation of a volume 64 times bigger than Bolshoi, has just been made publicly available to the world's astronomers and astrophysicists.

"The Illustris project is a large cosmological simulation of galaxy formation, completed in late 2013, using a state of the art numerical code and a comprehensive physical model. Building on several years of effort by members of the collaboration, the Illustris simulation represents an unprecedented combination of high resolution, total volume, and physical fidelity."

Here is a realistic, professional space simulator for astronomy enthusiasts. Explore the Universe in a 3-dimensional view on the monitor of your computer. Fly from the surface of the Earth to any destination in the outer space. Simulate an outer-space journey in any direction, at any speed, and in any time in the present, past, or the future!

Halo and Galaxy Formation Histories from the Millennium Simulation Public release of a VO-oriented and SQL-queryable database for studying the evolution of galaxies in the ΛCDM cosmogony

Create and destroy on a scale you've never imagined with the ultimate space simulator. Harness the power to create black holes, collide galaxies, and manipulate gravity with just a few clicks. Inspired by the software astronomers use to unlock the mysteries of our universe, never before has astronomy been so interactive or so much fun.

SpaceEngine - is a free space simulation software that lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies. Areas of the known universe are represented using actual astronomical data, while regions uncharted by human astronomy are generated procedurally. Millions of galaxies, trillions of stars, countless planets!

SunAeon: Solar System SimulatorExploration of Planets, Solar System and Stars with online 3D Simulator

The classic simulation

It's a cute graphic, but not much more than that. You move the cursor and the simulated night sky moves in response - and it's a great example of how the Internet can take us in the wrong direction. Do you remember kids getting books and ... gasp ... going outdoors at night, looking upward and finding those constellations, instead of searching for them on an animation?

interactive Astronomy Software for everyone

"Deep Space Map allows you to view celestial objects, including stars, constellations, galaxies and planets. The images seen here are identical to those found in version 1 that uses Google Earth API."

Eyes on the Solar System" is a 3-D environment full of real NASA mission data. Explore the cosmos from your computer. Hop on an asteroid. Fly with NASA's Voyager spacecraft. See the entire solar system moving in real time. It's up to you. You control space and time.