The research shows that more oxygen, carbon, and iron atoms exist in the sprawling, gaseous halos outside of galaxies than exist within the galaxies themselves, leaving the galaxies deprived of raw materials needed to build stars and planets.
There are a few possible explanations for the universe's excessive speed. One possibility is that dark energy, already known to be accelerating the universe, may be shoving galaxies away from each other with even greater—or growing—strength
This unusual phenomenon, predicted by the theory of General Relativity, was discovered by chance by a doctoral student at the Instituto de Astrofísica de Canarias while analysing images of the Sculptor dwarf galaxy