17 February 2021, 10:23 am EST By The state of the universe during its early days is still a big question even for astronomers, but with the help of technology, experts are able to create simulations based on what they know and help answer the mysteries of the universe one by one, such as the case of scientists from Japan who used a supercomputer to help turn back the cosmic clock. (Photo : Gerd Altmann from Pixabay ) Astronomers used the ATERU II supercomputer in Japan for the new research. Using a Supercomputer to Test a Method In a report by Phys.org, astronomers used the ATERU II supercomputer at the National Astronomical Observatory of Japan (NAOJ) to create 4,000 simulations of the universe and with it, the scientists were able to test a reconstruction method.