A gigantic arc of galaxies has been discovered spanning 3.3 billion light-years

Astronomers have made a very interesting discovery that has been dubbed the Giant Arc. The newly discovered crescent of galaxies spans 3.3 billion light-years and is described as one of the largest known structures in the universe. The massive size of the ark of galaxies is challenging some of the basic assumptions astronomers hold about the cosmos. The Giant Arc … Continue reading