After Big Bang, shock waves rocked newborn universe
Simulations of early cosmos could help explain birth of magnetic fields, antimatter mystery
![shockwave simulation](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/09/092316_EC_early-universe-shock-waves_main.jpg?fit=860%2C460&ssl=1)
IT’S SHOCKING Studies of the early universe indicate that shock waves formed less than one ten-thousandth of a second after the Big Bang. In the simulation shown above, brighter regions are denser parts of the universe, and lines where the density changes abruptly indicate shocks.
U.-L. Pen and N. Turok