An ancient galaxy has been imaged, and astronomers found vast amounts of dust in the ancient body. Why is this finding so unusual?(Photo : European Space Agency)
Galaxy A1689-zD1 is an ancient galaxy and is so far from Earth that astronomers see the family of stars as it existed in the earliest days of galactic formation in the universe. Most galaxies from this ancient age show little star formation, but the process is highly-active in this dusty grouping.