The Universe's Invisible Hand
Dark energy does more than hurry along the expansion of the universe. It also has a stranglehold on the shape and spacing of galaxies
Scientists are just starting the long process of figuring out what dark energy is and what its implications are. One realization has already sunk in: although dark energy betrayed its existence through its effect on the universe as a whole, it may also shape the evolution of the universe's inhabitants--stars, galaxies, galaxy clusters. Astronomers may have been staring at its handiwork for decades without realizing it. Full Story »
Posted by Kaizar Campwala
