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Milky Way Galaxy (within 50,000 light years)
Milky Way Formation Simulation How do galaxies form and develop? Astrophysicists at the University of Zurich and astronomers from the University of California at Santa Cruz have developed a realistic computer simulation of the formation of the Milky Way Galaxy, a spiral galaxy. This is a world's first and illustrates how gravity began forming galaxies about a million years after the Big Bang. About 10 billion years ago, the disk of the Milky Way began forming. The Milky Way continued growing by accreting gas and dwarf galaxies until the current status was reached, including the Sun and our home Earth. Next different types of galaxies are planned for simulation, such a an elliptical galaxy. Then a galaxy group of about 10+ galaxies could be simulated. Ultimately, a simulation of the entire Universe is theoretically possible but not practical as currently there is insufficient computing power available.
Cold Dark Matter The simulation calculation was obviously a very complex, multi-year effort, including even the effects of dark matter. The ultimate achievement was the simulation validates the standard cosmological theory, which assumes the main component of matter in the Universe is cold dark matter, which is still an unknown component. Although this cold dark matter does not interact with warmer visible matter, it is the source of most gravity in and compromises almost 90% of the mass of the Universe.
ERIS: World's First Realistic Simulation of the Formation of the Milky Way For almost 20 years astrophysicists have been trying to recreate the formation of spiral galaxies such as our Milky Way realistically. Now astrophysicists from the University of Zurich present the world's first realistic simulation of the formation of our home galaxy together with astronomers from the University of California at Santa Cruz. The new results were partly calculated on the computer of the Swiss National Supercomputing Center (CSCS) and show, for instance, that there has to be stars on the outer edge of the Milky Way.
Cold Dark Matter The simulation calculation was obviously a very complex, multi-year effort, including even the effects of dark matter. The ultimate achievement was the simulation validates the standard cosmological theory, which assumes the main component of matter in the Universe is cold dark matter, which is still an unknown component. Although this cold dark matter does not interact with warmer visible matter, it is the source of most gravity in and compromises almost 90% of the mass of the Universe.
ERIS: World's First Realistic Simulation of the Formation of the Milky Way For almost 20 years astrophysicists have been trying to recreate the formation of spiral galaxies such as our Milky Way realistically. Now astrophysicists from the University of Zurich present the world's first realistic simulation of the formation of our home galaxy together with astronomers from the University of California at Santa Cruz. The new results were partly calculated on the computer of the Swiss National Supercomputing Center (CSCS) and show, for instance, that there has to be stars on the outer edge of the Milky Way.
Interview with Lucio Mayer on World's First Realistic Simulation of the Formation of Milky Way First glimpse into birth of the Milky Way - For almost 20 years astrophysicists have been trying to recreate the formation of spiral galaxies such as our Milky Way realistically. Now astrophysicists from the University of Zurich present the world's first realistic simulation of the formation of our home galaxy together with astronomers from the University of California at Santa Cruz. The new results were partly calculated on the computer of the Swiss National Supercomputing Center (CSCS) and show, for instance, that there has to be stars on the outer edge of the Milky Way.
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