A beam of light takes 107.8 million years to cross from one end of our local supercluster (the Virgo supercluster) to the other. For comparison, the dinosaurs went extinct 65 million years ago!
virgo_dino_rg2
A beam of light takes 107.8 million years to cross from one end of our local supercluster (the Virgo supercluster) to the other. For comparison, the dinosaurs went extinct 65 million years ago!