Astrophysicists used a large set of simulations to show what was happening in the Universe during the period
The era of reionization occurred about 13 billion years agoago and this process has always been difficult to reconstruct. The problem is the complex chaotic interactions between gravity, gas and radiation. Therefore, colossal computing power was used to implement the idea and many scientists took part. Among them are specialists from the Harvard Smithsonian Center for Astrophysics, the Massachusetts Institute of Technology and the Max Planck Institute for Astrophysics.
"Most astronomers don't have laboratories forconducting experiments. The scale of space and time is too large, so we can only do experiments on computers,” explains Rahul Kannan, an astrophysicist at the Center for Astrophysics and one of the project participants. “But we can use the basic equations of physics and a lot of data to model what happened in the early Universe.” .
The simulation shows the Universe gradually changing from complete darkness to light. The project was named Thesan in honor of the Etruscan goddess of the dawn.
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