Dark energy is weakening and the universe could (eventually) collapse, study says : NPR
This multi-wavelength image from NASA shows a universe full of galaxies that are various shapes, colors and sizes. Most are small while a handful are somewhat larger. A few stars are also scattered across the image. NASA/ESA/CSA/A. Pagan (STScI)/R. Jansen (ASU)/NASA hide caption toggle caption NASA/ESA/CSA/A. Pagan (STScI)/R. Jansen (ASU)/NASA Dark energy, a mysterious force