Fundamental cosmological mystery centers on what is driving dark energy, the mysterious force accelerating universe expansion This week, it celebrated its eighth anniversary Dark matter is special in that it doesn't emit, absorb or interact with light, so science had to find a more creative way to see it. Dark matter makes up most of the mass of galaxies and galaxy clusters, and is responsible for the way galaxies are organized on grand scales Dark energy, meanwhile, is the name we give the mysterious influence driving the accelerated expansion of the universe. Dark energy and dark matter in the universe scientists may now have the complete picture of where normal matter is distributed, but most of the universe is still made up of stuff they don’t.
Dark energy and dark matter are two different things Dark matter holds galaxies and other cosmic structures together, whereas the repulsive gravity of dark energy causes the expansion of the universe to speed up.
OPEN
