An international team of astronomers has used the NASA/ESA/CSA James Webb Space Telescope to discover gravitationally bound star clusters when the universe was 460 million years old. This is the first discovery of star clusters in an infant galaxy less than 500 million years after the Big Bang. An international team of astronomers has used the NASA/ESA/CSA James Webb Space Telescope to discover gravitationally bound star clusters when the universe was 460 million years old. This is the first discovery of star clusters in an infant galaxy less than 500 million years after the Big Bang. Astronomy Phys.org – latest science and technology news stories