"The discovery of this exceptional object has allowed us to accurately study the nature of the stars at the center of an elliptical galaxy in a remote era of the universe, when the galaxy was still young."

Scientists use rare 'Einstein Cross' to learn about young galaxy with surprisingly old stars

Source: space
Source Link: https://www.space.com/astronomy/galaxies/scientists-use-rare-einstein-cross-to-learn-about-young-galaxy-with-surprisingly-old-stars